unsepttrium (Ust)

hypothetical chemical element with the atomic number 173.

Rhif Atomig	173
Symbol Yr Elfen	Ust
Proton	173
Electron	173
Ffurfwedd electronig	1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p⁶ 8s² 5g¹⁸ 6f¹⁴ 7d¹⁰ 8p⁶ 9s² 6g³
plisgyn yr electron	2, 8, 18, 32, 50, 35, 18, 8, 2

dynodwr Encyclopædia Universalis	unsepttrium
dynodwr Google Knowledge Graph	/g/120vzmfz