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untriennium ‹
Ute ‹
unquadnilium
› unquadunium
› Uqu
unquadnilium (Uqn)
hypothetical chemical element with the atomic number 140.
Atomnumero
140
Kemia Simbolo
Uqn
protono
140
elektrono
140
elektrona distribuado
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
2
elektronkovraĵo
2, 8, 18, 32, 50, 20, 8, 2
unquadnilium
identigilo
identigilo de Freebase
/m/0nbdnd9
registra numero laŭ Kemia Resumo-Servo
61969-73-1