SEDIS - Thesaurus
actinides  | |
|---|---|
| BT | metals |
| .actinides | |
| NT | actinium |
| americium | |
| berkelium | |
| californium | |
| curium | |
| einsteinium | |
| fermium | |
| lawrencium | |
| mendelevium | |
| neptunium | |
| nobelium | |
| plutonium | |
| protactinium | |
| thorium | |
| uranium | |
| SN | Series of heavy, radioactive, metallic elements with atomic numbers 89 to 103. |
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