出典:Wiktionary
出典:『Wiktionary』 (2026/04/27 16:31 UTC 版)
| Chemical element | ||||||||
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| Rf Atomic number 104 unnilquadium Former IUPAC systematic name |
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| Alternative names: rutherfordium | ||||||||
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| Previous: ← lawrencium (Lr) | ||||||||
| Next: dubnium (Db) → | ||||||||
| English Wikipedia article on Rutherfordium |
Systematic element name, from un- + nil- + quad- + -ium.