unseptbium

unseptbium (Usb)

hypothetical chemical element with the atomic number 172.
Atomic Number172
Element SymbolUsb
պրոտոն172
էլեկտրոն172
electron configuration1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6 8s2 5g18 6f14 7d10 8p6 9s2 6g2
electron shell2, 8, 18, 32, 50, 34, 18, 8, 2