| Content-Type | image/png |
|---|---|
| Content-Length | 8.17 kB |
| Size | 512x512 |
#78 Platinum - rarity ZERO-KELVIN
| 1st ionization energy | 9 eV | 0.85% |
|---|---|---|
| appearance | Silvery white metallic | 5.08% |
| atomic mass | 195.08 u | 0.85% |
| atomic number | 78 | 0.85% |
| atomic radius | 209 picometers (van der Waals radius) | 3.39% |
| boiling point | 4098 K or 3825 °C or 6917 °F | 0.85% |
| cas number | 7440-06-4 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Transition metals | 25.42% |
| crystal structure | FCC (Face centered cubic) | 11.02% |
| density | 21.45 g/cm3 | 0.85% |
| electronegativity | 2.28 (Pauling scale) | 1.69% |
| electronic configuration | [Xe] 4f14 5d9 6s1 | 0.85% |
| electrons | 78 | 0.85% |
| electrons arrangement | 2, 8, 18, 32, 17, 1 | 0.85% |
| main isotopes | 195Pt | 0.85% |
| melting point | 2041 K or 1768 °C or 3214 °F | 0.85% |
| neutrons | 117 | 1.69% |
| position | Group: 10, Period: 6, Block: d | 0.85% |
| rarity | ZERO-KELVIN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Pt | 0.85% |
| valence electrons | - | 61.02% |
| who discovered | Antonio de Ulloa (in 1735) | 0.85% |
Total Rarity Score: 1840.21
Rarity: #77/354