Sodium has an atomic number of 11, meaning each atom contains 11 protons in its nucleus.
The standard atomic weight of sodium is 22.990 u (unified atomic mass units).
Sodium is classified as a alkali metal.
Sodium is a solid at 20 Β°C (68 Β°F).
The melting point of sodium is 97.8 Β°C / 370.95 K.
The boiling point of sodium is 882.85 Β°C / 1156 K.
The density of sodium is 0.968 g/cmΒ³ (20Β°C).
Sodium has a Pauling electronegativity of 0.93.
The electron configuration of sodium is [Ne] 3s1.
Sodium commonly exhibits the following oxidation states: +1.
Sodium was discovered in 1807 by Humphry Davy.
Sodium is a stable element with no naturally occurring radioactive isotopes.
Essential electrolyte in nerve and muscle function.
Sodium is used for: Chemical synthesis; Sodium vapor lamps; Coolants.