Periodic table of elements

56 - Barium [Ba]

56: Barium - Barrium [Ba]
Group: 2
Period: 6
Atomic number: 56
Atomic mass: 137.327
Configuration: [Xe] 6s2
Atomic radius: 253 pm
Covalent radius: 215 pm
Electron affinity: 13.95 eV
Ionization energy: 5.2117 eV
Electronic term: 1S0
Mass fraction in the earth crust: 0.00034
Mass fraction in the earth space: 0.00000001
Electronegativity: 0.89

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