Last Updated
：2025/11/19
relative atomic mass
Noun
Japanese Meaning
自然界に存在する元素の原子の平均質量を、炭素12原子の質量の1/12と比較して求めた値。元素の同位体が複数存在する場合は、最も安定な同位体が代表として用いられる。
Quizzes for review
(physics) The ratio of the average mass per atom of the naturally occurring form of an element to 1/12 of the mass of a carbon-12 atom. Symbol Aᵣ; abbreviation RAM or r.a.m. For elements with several isotopes, the most stable isotope is treated as the representative.
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relative atomic mass
To calculate the relative atomic mass of the sample, the students compared the isotopic abundances and atomic masses.
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To calculate the relative atomic mass of the sample, the students compared the isotopic abundances and atomic masses.
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