Periodic table of the elements
NeonSodiumMagnesium
11
Na
Sodium
22.98976928
2
8
1
11
Na
Sodium
22.98976928
2
8
1
General
NameSodium
SymbolNa
Number11
Chemical seriesAlkali metals
Group / Period1 / 3
Blocks-block
CAS registry number7440-23-5

Physical properties
Statesolid
Density0.968 g/cm3
Melting point370.87 K (97.72 °C, 207.9 °F)
Boiling point1156 K (883°C, 1621°F)
Critical point2573 K, 35 MPa

Atomic properties
Atomic Weight22.98976928 g/mol
Crystal structurecubic body centered
Electronegativity0.93
Atomic radius180 pm
Atomic radius (calculated)190 pm
Electron configuration[Ne] 3s1
Electrons per shell2, 8, 1
Number of protons11
Number of neutrons12

Other languages
SpanishSodio
PortugueseSódio
FrenchSodium
GermanNatrium
ItalianSodio
RussianНатрий
PolishSód
Chinese
Arabicصوديوم
TurkishSodyum
DutchNatrium


Periodic table of the elements
NeonSodiumMagnesium