World Of Taxonomy
C212915Level 7

Actinium Ac-225

**Semantic type:** Element, Ion, or Isotope|Indicator, Reagent, or Diagnostic Aid

**Definition:** An alpha-emitting radioisotope of actinium with a half-life of 10 days.

**Synonyms:** - 225Ac - ACTINIUM AC-225 - Ac-225 - Actinium-225

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