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#31 Gallium - rarity BROWNIAN-MANIACS
| 1st ionization energy | 5.999 eV | 0.85% |
|---|---|---|
| appearance | Silvery blue in color | 0.85% |
| atomic mass | 69.723 u | 0.85% |
| atomic number | 31 | 0.85% |
| atomic radius | 187 picometers (van der Waals radius) | 1.69% |
| boiling point | 2673 K or 2400 °C or 4352 °F | 0.85% |
| cas number | 7440-55-3 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Boron group | 3.39% |
| crystal structure | Orthorhombic | 6.78% |
| density | 5.904 g/cm3 | 0.85% |
| electronegativity | 1.81 (Pauling scale) | 0.85% |
| electronic configuration | [Ar] 3d10 4s2 4p1 | 0.85% |
| electrons | 31 | 0.85% |
| electrons arrangement | 2, 8, 18, 3 | 0.85% |
| main isotopes | 69Ga | 0.85% |
| melting point | 302.9 K or 29.7 °C or 85.5 °F | 0.85% |
| neutrons | 39 | 0.85% |
| position | Group: 13, Period: 4, Block: p | 0.85% |
| rarity | BROWNIAN-MANIACS | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Ga | 0.85% |
| valence electrons | 3 | 4.24% |
| who discovered | Lecoq de Boisbaudran in 1875 | 0.85% |
Total Rarity Score: 2139.24
Rarity: #13/354