Biennilium (Ben)
Biennilium is the systematic name of the theoretical ٢٩٠. element in the periodic table with a symbol of Ben and atomic number of 290. Biennilium, also known as element 290, has مائتان وتسعون protons in its nucleus, and مائتان وتسعون electrons in its shells.
| العدد الذري | 290 |
|---|---|
| رمز العنصر | Ben |
| بروتون | 290 |
| إلكترون | 290 |
| توزيع إلكتروني | 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 6g18 7f14 8d10 9p6 10s2 6h23 7g18 8f14 9d10 10p5 |
| غلاف تكافؤ | 2, 8, 18, 32, 50, 73, 50, 32, 18, 7 |