Element Name: Francium
Atomic No.: 87
State (298 K): solid
Uses: -----
Atomic Mass: (223 g/mol)
Density: -----
B.P.: 950 K
F.P.: 300 K
Electronic Configuration: 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
6
7s
1
Isotopes: ?
Electronegativity: 0.7
Radius: 270 pm (atomic)
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