untrioctium (Uto)
hypothetical chemical element with the atomic number 138.
| Atomski Broj | 138 |
|---|---|
| Simbol Elementa | Uto |
| Proton | 138 |
| Elektron | 138 |
| Elektronska konfiguracija | 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6 8s2 5g18 |
| electron shell | 2, 8, 18, 32, 50, 18, 8, 2 |
