Atoms, Ions and compounds
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Last updated 10:36 AM on 4/7/26
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4 Terms
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Define relative atomic mass
The weighted mean mass of an atom of an element relative to 1/12th of the mass of an atom of carbon-12
2
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Define relative isotopic mass
The mass of an isotope relative to 1/12th of the mass of an atom of carbon-12
3
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Define relative molecular mass
mass of a molecule compared to the mass of an atom of carbon-12
4
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Formula for calculating relative atomic mass
RAM = Σ(isotope mass x abundance)/100%
