Periodic table of elements

71 - Lutetium [Lu]

71: Lutetium - Lutetium [Lu]
Group: 3
Period: 6
Atomic number: 71
Atomic mass: 174.9668
Configuration: [Xe] 4f145d16s2
Atomic radius: 217 pm
Covalent radius: 187 pm
Electron affinity: 50 eV
Ionization energy: 5.4259 eV
Electronic term: 2D3/2
Mass fraction in the earth crust: 0.00000056
Mass fraction in the earth space: 0.0000000001
Electronegativity: 1.27

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