Shell Structure
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| Element | Information |
| Atomic Number: | 109 |
| Symbol: | Mt |
| Name: | Meitnerium |
| Name Origin: | Named in honor of the German physicist Lise Meitner |
| Type: | Transition Metal |
| Atomic Mass: | 266 |
| Melting Point: | ? |
| Boiling Point: | ? |
| Neutrons: | 157 |
| Density: | ? |
| Crystal Structure: | ? |
| Discovered: | 1982 |
| Discoverers: | Created by Peter Armbruster, Gottfried Munzenberg and others (Germany). |
| Other Names: | Unnilennium (Une) |
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