出典:Wiktionary
出典:『Wiktionary』 (2025/03/28 12:55 UTC 版)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/12 12:37 UTC 版)
The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
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