| Content-Type | image/gif |
|---|---|
| Content-Length | 707.83 kB |
| Size | 512x512 |
#92 Uranium - rarity SPINNIN'IN
| 1st ionization energy | 6.194 eV | 0.85% |
|---|---|---|
| appearance | Silvery-gray metallic surface | 0.85% |
| atomic mass | 238.03 u | 0.85% |
| atomic number | 92 | 0.85% |
| atomic radius | 240 picometers (van der Waals radius) | 1.69% |
| boiling point | 4404 K or 4131 °C or 7468 °F | 0.85% |
| cas number | 7440-61-1 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Inner transition metals | 23.73% |
| crystal structure | Orthorhombic | 6.78% |
| density | 19.05 g/cm3 | 0.85% |
| electronegativity | 1.38 (Pauling scale) | 0.85% |
| electronic configuration | [Rn] 5f3 6d1 7s2 | 0.85% |
| electrons | 92 | 0.85% |
| electrons arrangement | 2, 8, 18, 32, 21, 9, 2 | 0.85% |
| main isotopes | 234U, 235U and 238U | 0.85% |
| melting point | 1405 K or 1132 °C or 2070 °F | 0.85% |
| neutrons | 146 | 0.85% |
| position | Group: actinides, Period: 7, Block: f | 10.17% |
| rarity | SPINNIN'IN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | U | 0.85% |
| valence electrons | - | 61.02% |
| who discovered | Martin Heinrich Klaproth (in 1789) | 0.85% |
Total Rarity Score: 1983.83
Rarity: #48/354