Thallium
Atom properties
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REAL
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Radii
Van der Waals atomic radius (pm):
196 [11]
Empirical atomic radius (pm):
190 [11]
Covalent atomic radius (pm):
145(7) [11]
Ionic radius (Å):
Tl(I): 1.50 [2]
Tl (III): 0.885 [2]
Electronegativity
Pauling Scale:
1.62 [11]
Allen Scale:
1.789 [11]
Electron binding forces
Electron Affinity (eV):
0.2 [11]
Ionization Energy (eV):
6.108 [11]
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
1
[11]
