Astatine
Atom properties
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Radii
Atomic radius (Å):
1.43
Electron affinity [M-M-] (kJ/mol):
270 (approximately) [1]
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
