Selenium
|
34 Se 78.96 |
Atomic Number | 34 |
| Atomic Weight | 78.96 | |
| Electron Config. | 2-2-6-2-6-10-2-4 |
| Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s |
| Mechanical Properties | Conditions | |||
| Phase | Temp. (K) | Pressure (Pa) | ||
| Density | 4800 kg/m3 | Solid | 0 | 0 |
| Modulus of Elasticity | 55.158 GPa | Solid | 0 | |
| Poisson Ratio | 0.33 | Solid | ||
| Thermal Expansion Coefficient | 3.700 /K | Solid | 293.15 | |
| Electrical Properties | Conditions | ||
| Temp. (K) | Note | ||
| Electrical Resistivity | 1.200 W-m | 273.15 | |
| Thermal Properties | Conditions | ||
| Temp. (K) | Pressure (Pa) | ||
| Melting Temperature | 494.15 K | 101325 | |
| Boiling Temperature | 958.15 K | 101325 | |
| Critical Temperature | 1766.15 K | ||
| Fusion Enthalpy | 66.2 J/g | 0 | 101325 |
| Vaporization Enthalpy | 1209.22 J/g | 0 | 101325 |
| Heat Capacity | 321 J/kg-K | 298.149993896 | 100000 |
