| Content-Type | image/gif |
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| Content-Length | 473.67 kB |
| Size | 512x512 |
#33 Arsenic - rarity SPINNIN'IN
| 1st ionization energy | 9.815 eV | 0.85% |
|---|---|---|
| appearance | Grey metallic surface | 0.85% |
| atomic mass | 74.922 u | 0.85% |
| atomic number | 33 | 0.85% |
| atomic radius | 185 picometers (van der Waals radius) | 0.85% |
| boiling point | - | 18.64% |
| cas number | 7440-38-2 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Pnictogens | 3.39% |
| crystal structure | RHO (Rhombohedral) | 1.69% |
| density | 5.73 g/cm3 | 0.85% |
| electronegativity | 2.18 (Pauling scale) | 0.85% |
| electronic configuration | [Ar] 3d10 4s2 4p3 | 0.85% |
| electrons | 33 | 0.85% |
| electrons arrangement | 2, 8, 18, 5 | 0.85% |
| main isotopes | 75As | 0.85% |
| melting point | - | 13.56% |
| neutrons | 42 | 0.85% |
| position | Group: 15, Period: 4, Block: p | 0.85% |
| rarity | SPINNIN'IN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | 887 K or 615 °C or 1137 °F | 0.85% |
| symbol | As | 0.85% |
| valence electrons | 5 | 5.08% |
| who discovered | - | 22.03% |
Total Rarity Score: 2018.82
Rarity: #40/354