Astatine
Atom properties
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REAL
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Van der Waals atomic radius (pm):
202 [5]
Empirical atomic radius (pm):
Covalent atomic radius (pm):
150 [5]
Atomic radius (Å):
1.43
Electronegativity
Pauling Scale:
2.2 [5]
Allen Scale:
2.39 [5]
Electron binding forces
Electron Affinity (eV):
2.8 [5]
Ionization Energy (eV):
9.5 [5]
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
-6s
2
-6p
5
[5]
