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HOME > Protocols > Reference Material > Periodic Table > Sodium
Sodium

Atomic Number: 11

Name: Sodium

Original name: Natrium

Atomic symbol: Na

Atomic Weight: 22.9898

Electron affinity: -53 kJ/mol

Electron configuration: 1s22s22p63s1

Ionization energies: 496 kJ/mol; 4,562 kJ/mol; 6,912 kJ/mol; 9,543 kJ/mol

Pauling electronegativity: 0.9

Melting Point: 98oC

Boiling Point: 883oC

Density: 0.97 g/cm3

Standard potential (volts), M+ + e- ---> M: -2.71

Covalent radius: 1.57 angstroms

Ionic radius: 1.16 angstroms (+1)

Common oxidation states in compounds: +1

Previous: Atomic Number 10 - Neon


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