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| Content-Length | 555.15 kB |
| Size | 512x512 |
#38 Strontium - rarity BROWNIAN-MANIACS
| 1st ionization energy | 5.695 eV | 0.85% |
|---|---|---|
| appearance | Silvery metallic surface with yellow tint | 0.85% |
| atomic mass | 87.62 u | 0.85% |
| atomic number | 38 | 0.85% |
| atomic radius | 249 picometers (van der Waals radius) | 0.85% |
| boiling point | 1650 K or 1377 °C or 2511 °F | 0.85% |
| cas number | 7440-24-6 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Alkaline earth metals | 5.08% |
| crystal structure | FCC (Face centered cubic) | 11.02% |
| density | 2.63 g/cm3 | 0.85% |
| electronegativity | 0.95 (Pauling scale) | 0.85% |
| electronic configuration | [Kr] 5s2 | 0.85% |
| electrons | 38 | 0.85% |
| electrons arrangement | 2, 8, 18, 8, 2 | 0.85% |
| main isotopes | 88Sr | 0.85% |
| melting point | 1050 K or 777 °C or 1431 °F | 0.85% |
| neutrons | 50 | 1.69% |
| position | Group: 2, Period: 5, Block: s | 0.85% |
| rarity | BROWNIAN-MANIACS | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Sr | 0.85% |
| valence electrons | 2 | 7.63% |
| who discovered | William Cruickshank in 1787 | 0.85% |
Total Rarity Score: 2113.24
Rarity: #19/354