Tabel Periodik
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untrinilium ‹
Utn ‹
untriunium
› untribium
› Utb
untriunium (Utu)
unsur kimia hipotesis dengan lambang Utn dan nomor atom 131.
nomor atom
131
simbol unsur
Utu
Proton
131
Elektron
131
Konfigurasi elektron
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
11
kelopak elektron
2, 8, 18, 32, 43, 18, 8, 2
untriunium
penanda
penanda Freebase
/m/03hfv13