Potassium
Atom properties
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REAL
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Radii
Van der Waals atomic radius (pm):
275 [9]
Empirical atomic radius (pm):
220 [9]
Covalent atomic radius (pm):
203(12) [9]
Ionic radius (Å):
1.38 [2]
Electronegativity
Pauling Scale:
0.82 [9]
Allen Scale:
0.734 [9]
Electron binding forces
Electron Affinity (eV):
0.501 [9]
Ionization Energy (eV):
4.341 [9]
Electron configuration
Ground state:
1s
2
-2s
2
-2p
6
-3s
2
-3p
6
-4s
1
[9]
