Element Name: Promethium
Atomic No.: Pm
State (298 K): solid
Uses: batteries
Atomic Mass: (145 g/mol)
Density: 7.22 g/cm
3
B.P.: 3000 K
F.P.: 1441 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
10
4f
5
5s
2
5p
6
6s
2
Isotopes: ?
Electronegativity: ?
Radius: 181 pm (atomic)
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