Fermium
Atom properties
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REAL
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Van der Waals atomic radius (pm):
Empirical atomic radius (pm):
Covalent atomic radius (pm):
Ionic radius (Å):
Electronegativity
Pauling Scale:
1.3 [4]
Allen Scale:
Electron binding forces
Electron Affinity (eV):
Ionization Energy (eV):
6.50 [4]
Electron configuration
Ground state:
1s
2
-2s
2
-2p
6
-3s
2
-3p
6
-3d
10
-4s
2
-4p
6
-4d
10
-4f
14
-5s
2
-5p
6
-5d
10
-5f
12
-6s
2
-6p
6
-7s
2
[4]
