The relative atomic mass is defined as
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the mass of an atom of an element relative to 1/12 the mass of a carbon-12 atom
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the mass of an atom of an element relative to the mass of a hydrogen atom
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the average mass of an element relative to 1/12 the mass of a carbon atom
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the average mass of an atom of an element relative to 1/12 the mass of a carbon-12 atom
📝 Detailed explanation
Relative atomic mass is the weighted average mass of an atom of an element compared with 1/12 of the mass of a carbon-12 atom.
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