Shell Structure
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| Element | Information |
| Atomic Number: | 105 |
| Symbol: | Ha |
| Name: | Hahnium |
| Name Origin: | Named in honor of Otto Hahn, the German chemist who discovered nuclear fission |
| Type: | Transition Metal |
| Atomic Mass: | 262 |
| Melting Point: | ? |
| Boiling Point: | ? |
| Neutrons: | 157 |
| Density: | ? |
| Crystal Structure: | ? |
| Discovered: | 1970 |
| Discoverers: | Created by Albert Ghiorso and others (USA). |
| Other Names: | Unnilpentium (Unp), Dubnium (Db) |
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