The average weight of an atom of an element, expressed by comparison to a standard atom (formerly one of hydrogen or oxygen, now one of the isotope…
单词 | θ79353 |
释义 | the world > matter > physics > atomic physics > [noun] > atomic weight (4) atomic weight1819 The average weight of an atom of an element, expressed by comparison to a standard atom (formerly one of hydrogen or oxygen, now one of the isotope… equivalent number1826 atomic weight. atomic mass1884 The average mass of an atom of an element, expressed by comparison to a standard atom (formerly one of hydrogen or oxygen, now one of the isotope… relative atomic mass1892 = atomic mass, n.; also called atomic weight. |
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