Periodic table of elements

41 - Niobium [Nb]

41: Niobium - Niobium [Nb]
Group: 5
Period: 5
Atomic number: 41
Atomic mass: 92.90638
Configuration: [Kr] 4d45s1
Atomic radius: 198 pm
Covalent radius: 164 pm
Electron affinity: 86.1 eV
Ionization energy: 6.7589 eV
Electronic term: 6D1/2
Mass fraction in the earth crust: 0.000017
Mass fraction in the earth space: 0.000000002
Electronegativity: 1.6

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