Periodiek Systeem
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unpentunium ‹
Upu ‹
unpentbium
› unpenttrium
› Upt
unpentbium (Upb)
hypothetisch chemisch element met atoomnummer 152.
Atoomnummer
152
Chemisch Symbool
Upb
proton
152
elektron
152
elektronenconfiguratie
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
elektronenschil
2, 8, 18, 32, 50, 32, 8, 2
unpentbium
identificatiecode