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unseptnilium ‹
Usn ‹
unseptunium
› unseptbium
› Usb
unseptunium (Usu)
hypothetical chemical element with symbol Usu and atomic number 171.
Atomskaitlis
171
Elementa Simbols
Usu
protons
171
elektrons
171
elektronu konfigurācija
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
6
5s
2
4d
10
5p
6
6s
2
4f
14
5d
10
6p
6
7s
2
5f
14
6d
10
7p
6
8s
2
5g
18
6f
14
7d
10
8p
6
9s
2
6g
1
electron shell
2, 8, 18, 32, 50, 33, 18, 8, 2
unseptunium
identifikators