|
| Selenium |
| Atomic number | 34 |
|---|---|
| Atomic weight | 78.96 |
| Discovery (year) | 1818 |
| Atomic radius (A) | 1.16 |
| Melting point (oC) | 220.2 |
| Boiling point (oC) | 684.9 |
| Density (g/cm3) | 4.82 |
| Specific heat (cal/g oC) | 0.084 |
| Ionization potential (eV) | 9.752 |
| Electron Affinity (eV) | 2.0206 |