Massa atom relatif: Perbedaan antara revisi
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Baris 12:
Definisi IUPAC<ref name="IUPAC1979" /> bobot atom adalah:
<blockquote>
'''''An''' atomic weight (relative atomic mass) of an element from a specified source is the ratio of the average mass per atom of the element to 1/12 of the mass of an atom of {{sup|12}}C.''
</blockquote>
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