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relative atomic mass

/ˈrɛlətɪv əˈtɒmɪk mæs/

翻译: 科学术语,指某元素原子的平均质量与碳-12原子质量的十二分之一的比值,通常以原子质量单位表示。

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phrase

/ˈrɛlətɪv əˈtɒmɪk mæs/C1formalscientific
  • zh科学术语,指某元素原子的平均质量与碳-12原子质量的十二分之一的比值,通常以原子质量单位表示。

A scientific term referring to the weighted average mass of an atom of an element compared to one-twelfth the mass of a carbon-12 atom, expressed in atomic mass units.

  1. Weighted average mass of an element's isotopesC1formal

    The ratio of the average mass of one atom of an element to one-twelfth of the mass of a carbon-12 atom.

    zh相对原子质量

    • The relative atomic mass of carbon is approximately 12.01.
    • Students calculated the relative atomic mass of chlorine using its isotopic abundances.
    • The periodic table lists the relative atomic mass for each element.