actinium

[US]/ˈæktɪniəm/
[UK]/ak-TIN-ee-əm/
Frequency: Very High

Translation

n.一种放射性金属元素，原子序数为89。；锕（化学符号Ac）
Word Forms
复数actiniums

Phrases & Collocations

actinium series

锕系元素

actinium isotopes

锕系同位素

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