Periodic table of elements

73 - Tantalum [Ta]

73: Tantalum - Tantalum [Ta]
Group: 5
Period: 6
Atomic number: 73
Atomic mass: 180.94788
Configuration: [Xe] 4f145d36s2
Atomic radius: 200 pm
Covalent radius: 170 pm
Electron affinity: 31 eV
Ionization energy: 7.5496 eV
Electronic term: 4F3/2
Mass fraction in the earth crust: 0.0000017
Mass fraction in the earth space: 0.00000000008
Electronegativity: 1.5

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