actinium

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

Translation

n.一種放射性金屬元素，原子序數爲89。；錒（化學符號Ac）
Word Forms
複數actiniums

Phrases & Collocations

actinium series

錒系元素

actinium isotopes

錒系同位素

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