unquadnilium (Uqn)
hypothetical chemical element with the atomic number 140.
| niver atomek | 140 |
|---|---|
| element symbol | Uqn |
| proton | 140 |
| electron | 140 |
| electron configuration | 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6 8s2 5g18 6f2 |
| electron shell | 2, 8, 18, 32, 50, 20, 8, 2 |
