| Z | 34 |
|---|---|
| Symbol | Se |
| Name | Selenium |
| Group | 16 |
| Period | 4 |
| Atomic mass Scalar | 78.96 |
| Density Scalar | 4809 |
| Melting point Scalar | 494.15 |
| Boiling point Scalar | 958 |
| Specific heat capacity Scalar | 0.321 |
| Electronegativity Scalar | 2.55 |
| Abundance | 0.05 |
| Ionisation energy Scalar | 9.75238 |
| Atomic radius Scalar | 115 |
| Electron configuration | [Ar] 3d10 4s2 4p4 |
| Top neighbor | S |
| Left neighbor | As |
| Right Neighbor | Br |
| Bottom neighbor | Te |
| German name | Selen |
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