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#52 Tellurium - rarity BROWNIAN-MANIACS
| 1st ionization energy | 9.01 eV | 0.85% |
|---|---|---|
| appearance | Crystalline form is: Silvery gray lustrousAmorphous form is: Brown-black powder | 0.85% |
| atomic mass | 127.6 u | 0.85% |
| atomic number | 52 | 0.85% |
| atomic radius | 206 picometers (van der Waals radius) | 1.69% |
| boiling point | 1261 K or 988 °C or 1810 °F | 0.85% |
| cas number | 13494-80-9 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Chalcogens | 3.39% |
| crystal structure | Hexagonal | 0.85% |
| density | 6.24 g/cm3 | 0.85% |
| electronegativity | 2.1 (Pauling scale) | 0.85% |
| electronic configuration | [Kr] 4d10 5s2 5p4 | 0.85% |
| electrons | 52 | 0.85% |
| electrons arrangement | 2, 8, 18, 18, 6 | 0.85% |
| main isotopes | 130Te | 0.85% |
| melting point | 722.6 K or 449.5 °C or 841.1 °F | 0.85% |
| neutrons | 76 | 0.85% |
| position | Group: 16, Period: 5, Block: p | 0.85% |
| rarity | BROWNIAN-MANIACS | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Te | 0.85% |
| valence electrons | 6 | 4.24% |
| who discovered | Franz-Joseph Müller von Reichenstein (in 1782) | 0.85% |
Total Rarity Score: 2242.49
Rarity: #4/354