Periodic table of elements

72 - Hafnium [Hf]

72: Hafnium - Hafnium [Hf]
Group: 4
Period: 6
Atomic number: 72
Atomic mass: 178.49
Configuration: [Xe] 4f145d26s2
Atomic radius: 208 pm
Covalent radius: 175 pm
Electron affinity: 0 eV
Ionization energy: 6.8251 eV
Electronic term: 3F2
Mass fraction in the earth crust: 0.0000033
Mass fraction in the earth space: 0.0000000007
Electronegativity: 1.3

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