Sodium (Na) in the periodic table — PeriodicTable

Sodium (Na) in the periodic tableSodium is element 11, an alkali metal of the s block, in group 1, period 3. Its ground-state configuration is [Ne] 3s1, and it usually shows the oxidation states 0, 1.It was discovered in 1807, by Davy.Name origin: the English word soda (natrium in Latin). Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

22.989769

Da

Electronegativity

0.93

First ionisation energy

495.8

kJ/mol

Covalent radius

154

pm

Van der Waals radius

227

pm

Melting point

370.87

K

Boiling point

1156

K

Density

0.971

g/cm³

Abundance

23600

mg/kg

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