Periodic table of elements

11 - Sodium [Na]

11: Sodium - Natrium [Na]
Group: 1
Period: 3
Atomic number: 11
Atomic mass: 22.98976928
Configuration: [Ne] 3s1
Atomic radius: 190 pm
Covalent radius: 166 pm
Electron affinity: 52.8 eV
Ionization energy: 5.1391 eV
Electronic term: 2S1/2
Mass fraction in the earth crust: 0.023
Mass fraction in the earth space: 0.00002
Electronegativity: 0.93

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