Kolekce Atom For Sodium Zdarma

Kolekce Atom For Sodium Zdarma. It has the symbol na. In this video we'll look at the atomic structure, valence electrons,. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table.

Tady See The Electron Configuration Diagrams For Atoms Of The Elements Electron Configuration Electrons Atom Diagram

Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table.

It has the symbol na.

Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a highly reactive metal in group 1 of the periodic table. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,. Sodium is a chemical element with symbol na and atomic number 11. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na.

Classified as a n alkali metal, sodium is a solid at room temperature... Sodium is a chemical element with symbol na and atomic number 11. In this video we'll look at the atomic structure, valence electrons,. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. Sodium is a highly reactive metal in group 1 of the periodic table.

The chemical symbol for sodium is na. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Classified as a n alkali metal, sodium is a solid at room temperature. The chemical symbol for sodium is na. It is an alkali metal and is located in group 1 of the periodic table.

It has the symbol na.. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. It has the symbol na.

Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature. The chemical symbol for sodium is na. It has the symbol na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table.

Sodium is a chemical element with symbol na and atomic number 11. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It is an alkali metal and is located in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It has the symbol na. In this video we'll look at the atomic structure, valence electrons,.

It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a chemical element with symbol na and atomic number 11. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry... Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. Sodium is a chemical element with symbol na and atomic number 11. It has the symbol na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,.. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

In this video we'll look at the atomic structure, valence electrons,. The chemical symbol for sodium is na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. In this video we'll look at the atomic structure, valence electrons,. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. Sodium is a highly reactive metal in group 1 of the periodic table.

It is an alkali metal and is located in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. Sodium is a chemical element with symbol na and atomic number 11. It has the symbol na.. Classified as a n alkali metal, sodium is a solid at room temperature.

Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a highly reactive metal in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry... 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

It is an alkali metal and is located in group 1 of the periodic table... 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11.. Classified as a n alkali metal, sodium is a solid at room temperature.

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. It is an alkali metal and is located in group 1 of the periodic table.

In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,. Sodium is a chemical element with symbol na and atomic number 11... Sodium is a highly reactive metal in group 1 of the periodic table.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na... 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

Sodium is a highly reactive metal in group 1 of the periodic table... It is an alkali metal and is located in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,... Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

It is an alkali metal and is located in group 1 of the periodic table.. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has the symbol na.

In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a chemical element with symbol na and atomic number 11. The chemical symbol for sodium is na. It has the symbol na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …. The chemical symbol for sodium is na.

Sodium is a highly reactive metal in group 1 of the periodic table.. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,. It has the symbol na. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. .. Sodium is a chemical element with symbol na and atomic number 11.

Classified as a n alkali metal, sodium is a solid at room temperature.. Sodium is a highly reactive metal in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature... It has the symbol na.

It is an alkali metal and is located in group 1 of the periodic table.. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium is a chemical element with symbol na and atomic number 11. In this video we'll look at the atomic structure, valence electrons,. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11.

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11. The chemical symbol for sodium is na. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. In this video we'll look at the atomic structure, valence electrons,. In this video we'll look at the atomic structure, valence electrons,.

Classified as a n alkali metal, sodium is a solid at room temperature... It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It has the symbol na... 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :.. . It has the symbol na.

The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,.

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. In this video we'll look at the atomic structure, valence electrons,. The chemical symbol for sodium is na. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

It is an alkali metal and is located in group 1 of the periodic table... 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. . Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Classified as a n alkali metal, sodium is a solid at room temperature... It has the symbol na. In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.

Classified as a n alkali metal, sodium is a solid at room temperature. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,.. In this video we'll look at the atomic structure, valence electrons,.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na.

Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a highly reactive metal in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. In this video we'll look at the atomic structure, valence electrons,. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a chemical element with symbol na and atomic number 11. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table.

It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : The chemical symbol for sodium is na.. Sodium is a highly reactive metal in group 1 of the periodic table.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a highly reactive metal in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.. Sodium is a highly reactive metal in group 1 of the periodic table.

In this video we'll look at the atomic structure, valence electrons,... Sodium is a highly reactive metal in group 1 of the periodic table. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. The chemical symbol for sodium is na.. Classified as a n alkali metal, sodium is a solid at room temperature.

It has the symbol na... Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has the symbol na.. It is an alkali metal and is located in group 1 of the periodic table.

Sodium is a chemical element with symbol na and atomic number 11. In this video we'll look at the atomic structure, valence electrons,. It is an alkali metal and is located in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Classified as a n alkali metal, sodium is a solid at room temperature.. Classified as a n alkali metal, sodium is a solid at room temperature.

In this video we'll look at the atomic structure, valence electrons,. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. It has the symbol na.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. Sodium is a chemical element with symbol na and atomic number 11. In this video we'll look at the atomic structure, valence electrons,. Classified as a n alkali metal, sodium is a solid at room temperature. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a highly reactive metal in group 1 of the periodic table.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,.. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table.. The chemical symbol for sodium is na.

Sodium is a highly reactive metal in group 1 of the periodic table.. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table.. Classified as a n alkali metal, sodium is a solid at room temperature.

Sodium is a chemical element with symbol na and atomic number 11.. In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It is an alkali metal and is located in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11. The chemical symbol for sodium is na... It is an alkali metal and is located in group 1 of the periodic table.

In this video we'll look at the atomic structure, valence electrons,.. . 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

It has the symbol na. . Sodium is a chemical element with symbol na and atomic number 11.

Classified as a n alkali metal, sodium is a solid at room temperature. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table.

Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na.

The chemical symbol for sodium is na.. It has the symbol na. Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table.

Sodium is a chemical element with symbol na and atomic number 11.. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na. In this video we'll look at the atomic structure, valence electrons,. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a chemical element with symbol na and atomic number 11. Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : The chemical symbol for sodium is na.

Classified as a n alkali metal, sodium is a solid at room temperature.. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has the symbol na. It is an alkali metal and is located in group 1 of the periodic table.

It is an alkali metal and is located in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11.

It has the symbol na.. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.. In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It is an alkali metal and is located in group 1 of the periodic table. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … The chemical symbol for sodium is na. The chemical symbol for sodium is na.

The chemical symbol for sodium is na.. Sodium is a chemical element with symbol na and atomic number 11. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. Classified as a n alkali metal, sodium is a solid at room temperature.. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

It has the symbol na... In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. The chemical symbol for sodium is na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a chemical element with symbol na and atomic number 11. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It is an alkali metal and is located in group 1 of the periodic table.

It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na. In this video we'll look at the atomic structure, valence electrons,... 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

It has the symbol na. It is an alkali metal and is located in group 1 of the periodic table. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature.. The chemical symbol for sodium is na.

In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. In this video we'll look at the atomic structure, valence electrons,. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. In this video we'll look at the atomic structure, valence electrons,.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a chemical element with symbol na and atomic number 11. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a chemical element with symbol na and atomic number 11. It is an alkali metal and is located in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature.

It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Classified as a n alkali metal, sodium is a solid at room temperature. In this video we'll look at the atomic structure, valence electrons,.

The chemical symbol for sodium is na.. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a highly reactive metal in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure... Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a highly reactive metal in group 1 of the periodic table.. Classified as a n alkali metal, sodium is a solid at room temperature.

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. Sodium is a highly reactive metal in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table.

Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :. Sodium is a highly reactive metal in group 1 of the periodic table. Classified as a n alkali metal, sodium is a solid at room temperature. In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : The chemical symbol for sodium is na. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na.. The chemical symbol for sodium is na.

It has the symbol na.. Sodium is a highly reactive metal in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …. Classified as a n alkali metal, sodium is a solid at room temperature.

The chemical symbol for sodium is na.. . 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It has the symbol na. Sodium is a chemical element with symbol na and atomic number 11. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. In this video we'll look at the atomic structure, valence electrons,.

Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure.. The chemical symbol for sodium is na.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature. The chemical symbol for sodium is na.

It has the symbol na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. It is an alkali metal and is located in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,. It has the symbol na. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11... Classified as a n alkali metal, sodium is a solid at room temperature.

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It is an alkali metal and is located in group 1 of the periodic table. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … In this video we'll look at the atomic structure, valence electrons,. Classified as a n alkali metal, sodium is a solid at room temperature. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It is an alkali metal and is located in group 1 of the periodic table. It has the symbol na... It has the symbol na.

In this video we'll look at the atomic structure, valence electrons,... In this video we'll look at the atomic structure, valence electrons,.. It is an alkali metal and is located in group 1 of the periodic table.

Sodium is a chemical element with symbol na and atomic number 11. The chemical symbol for sodium is na. It has the symbol na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na.

Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table... Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …. Sodium is a highly reactive metal in group 1 of the periodic table.

Classified as a n alkali metal, sodium is a solid at room temperature... The chemical symbol for sodium is na. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium is a highly reactive metal in group 1 of the periodic table. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It is an alkali metal and is located in group 1 of the periodic table. In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure... Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged …

Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. In this video we'll look at the atomic structure, valence electrons,. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium is a highly reactive metal in group 1 of the periodic table. It has the symbol na. Classified as a n alkali metal, sodium is a solid at room temperature. Sodium is a chemical element with symbol na and atomic number 11. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Classified as a n alkali metal, sodium is a solid at room temperature.

21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure... 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. Classified as a n alkali metal, sodium is a solid at room temperature. The chemical symbol for sodium is na. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … It has the symbol na. Sodium is a highly reactive metal in group 1 of the periodic table. It is an alkali metal and is located in group 1 of the periodic table. Sodium is a chemical element with symbol na and atomic number 11. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table.

Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : It has the symbol na. The chemical symbol for sodium is na. In this video we'll look at the atomic structure, valence electrons,. Sodium is a highly reactive metal in group 1 of the periodic table. It is an alkali metal and is located in group 1 of the periodic table.

It is an alkali metal and is located in group 1 of the periodic table.. The chemical symbol for sodium is na. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : Classified as a n alkali metal, sodium is a solid at room temperature. It is an alkali metal and is located in group 1 of the periodic table.. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 : In this video we'll look at the atomic structure, valence electrons,. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a highly reactive metal in group 1 of the periodic table. The chemical symbol for sodium is na. Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature.. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ….. 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for sodium is na. It has the symbol na. Sodium is a highly reactive metal in group 1 of the periodic table. It is an alkali metal and is located in group 1 of the periodic table. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is a chemical element with symbol na and atomic number 11. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. Sodium (na) atomic data for sodium (na) atomic number = 11 atomic weight = 22.989768 reference e95 :

Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged … 21.11.2020 · sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium is a chemical element with symbol na and atomic number 11. Classified as a n alkali metal, sodium is a solid at room temperature. It has the symbol na. 15.10.2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The chemical symbol for sodium is na.