Shell Structure
Crystal Structure
|
| Element | Information |
| Atomic Number: | 34 |
| Symbol: | Se |
| Name: | Selenium |
| Name Origin: | Greek selene, "moon" |
| Type: | Non-metal |
| Atomic Mass: | 78.96 |
| Melting Point: | 217 |
| Boiling Point: | 685 |
| Neutrons: | 45 |
| Density: | 4.79 |
| Crystal Structure: | Hexagonal |
| Discovered: | 1818 |
| Discoverers: | Discovered by Jöns Jacob Berzelius (Sweden). |
| Other Names: | |
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