Periodic table of elements

21 - Scandium [Sc]

21: Scandium - Scandium [Sc]
Group: 3
Period: 4
Atomic number: 21
Atomic mass: 44.955912
Configuration: [Ar] 3d14s2
Atomic radius: 184 pm
Covalent radius: 170 pm
Electron affinity: 18.1 eV
Ionization energy: 6.5615 eV
Electronic term: 2D3/2
Mass fraction in the earth crust: 0.000026
Mass fraction in the earth space: 0.00000003
Electronegativity: 1.36

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