106 - Seaborgium transition metal
Discovered by Lawrence Berkeley Laboratory in 1974
Seaborgium is a synthetic element with symbol Sg and atomic number 106. Its most stable isotope 271Sg has a half-life of 1.9 minutes. A more recently discovered isotope 269Sg has a potentially slightly longer half-life (ca.
Periodic table
| Shell | Electrons | Orbitals |
|---|---|---|
| 1 | 2 | 2 in 1s |
| 2 | 8 | 2 in 2s + 6 in 2p |
| 3 | 18 | 2 in 3s + 6 in 3p + 10 in 3d |
| 4 | 32 | 2 in 4s + 6 in 4p + 10 in 4d + 14 in 4f |
| 5 | 32 | 2 in 5s + 6 in 5p + 10 in 5d + 14 in 5f |
| 6 | 12 | 2 in 6s + 6 in 6p + 4 in 6d |
| 7 | 2 | 2 in 7s |
Electron shells
269 u Atomic Mass
6 Group
35 g/cm³ Density
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d4 Electron Configuration
*[Rn] 5f14 6d4 7s2 Electron Configuration (semantic)
106 Electrons
7 Number of Shells
160 Neutrons
106 Atomic Number
7 Period
Solid Phase
106 Protons