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#51 Antimony - rarity BROWNIAN-MANIACS
| 1st ionization energy | 8.64 eV | 0.85% |
|---|---|---|
| appearance | Silvery gray metallic luster | 0.85% |
| atomic mass | 121.76 u | 0.85% |
| atomic number | 51 | 0.85% |
| atomic radius | 206 picometers (van der Waals radius) | 1.69% |
| boiling point | 1908 K or 1635 °C or 2975 °F | 0.85% |
| cas number | 7440-36-0 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Pnictogens | 3.39% |
| crystal structure | Rhombohedral | 3.39% |
| density | 6.7 g/cm3 | 0.85% |
| electronegativity | 2.05 (Pauling scale) | 0.85% |
| electronic configuration | [Kr] 4d10 5s2 5p3 | 0.85% |
| electrons | 51 | 0.85% |
| electrons arrangement | 2, 8, 18, 18, 5 | 0.85% |
| main isotopes | 121Sb | 0.85% |
| melting point | 903.7 K or 630.6 °C or 1167.1 °F | 0.85% |
| neutrons | 71 | 0.85% |
| position | Group: 15, Period: 5, Block: p | 0.85% |
| rarity | BROWNIAN-MANIACS | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Sb | 0.85% |
| valence electrons | 5 | 5.08% |
| who discovered | - | 22.03% |
Total Rarity Score: 2036.59
Rarity: #34/354