unsepttrium (Ust)
hypothetical chemical element with the atomic number 173.
| Järjestysluku | 173 |
|---|---|
| Alkuaineen Tunnus | Ust |
| protoni | 173 |
| elektroni | 173 |
| elektronikonfiguraatio | 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 |
| elektronikuori | 2, 8, 18, 32, 50, 35, 18, 8, 2 |
