| Content-Type | image/gif |
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| Content-Length | 657.37 kB |
| Size | 512x512 |
#64 Gadolinium - rarity SPINNIN'IN
| 1st ionization energy | 6.150 eV | 0.85% |
|---|---|---|
| appearance | Silvery white metallic appearance | 1.69% |
| atomic mass | 157.25 u | 0.85% |
| atomic number | 64 | 0.85% |
| atomic radius | 237 picometers (van der Waals radius) | 1.69% |
| boiling point | 3273 K or 3000 °C or 5432 °F | 1.69% |
| cas number | 7440-54-2 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Inner transition metals | 23.73% |
| crystal structure | HCP (hexagonal close packed) | 7.63% |
| density | 7.9 g/cm3 | 0.85% |
| electronegativity | 1.2 (Pauling scale) | 0.85% |
| electronic configuration | [Xe] 4f7 5d1 6s2 | 0.85% |
| electrons | 64 | 0.85% |
| electrons arrangement | 2, 8, 18, 25, 9, 2 | 0.85% |
| main isotopes | 158Gd | 0.85% |
| melting point | 1585 K or 1312 °C or 2394 °F | 0.85% |
| neutrons | 93 | 0.85% |
| position | Group: lanthanides, Period: 6, Block: f | 5.08% |
| rarity | SPINNIN'IN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Gd | 0.85% |
| valence electrons | - | 61.02% |
| who discovered | Jean Charles Galissard de Marignac in 1880 | 0.85% |
Total Rarity Score: 1874.02
Rarity: #73/354