100: Fermium - Fermium [Fm]
Group: 3
Period: 7
Atomic number: 100
Atomic mass: 257
Configuration: [Rn] 5f127s2
Ionization energy: 6.5 eV
Electronic term: 3H6
Electronegativity: 1.3
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100: Fermium - Fermium [Fm]
Group: 3
Period: 7
Atomic number: 100
Atomic mass: 257
Configuration: [Rn] 5f127s2
Ionization energy: 6.5 eV
Electronic term: 3H6
Electronegativity: 1.3