Helium
Atom properties
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REAL
intelligence since 2016
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Van der Waals atomic radius (pm):
140 [10]
Empirical atomic radius (pm):
-
Covalent atomic radius (pm):
28 [10]
Ionic radius (Å):
n/a
Electronegativity
Pauling Scale:
n/a
Allen Scale:
4.16 [10]
Electron binding forces
Electron Affinity (eV):
0 [10]
Ionization Energy (eV):
24.587 [10]
Electron configuration
Ground state:
1s
2
[10]
