Exam (elaborations)
OCR A level Chemistry definitions | Questions and Answers with complete solution
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Relative isotopic mass - The mass of an isotope relative to 1/12 of the mass of a carbon-12 atom. Relative atomic mass Ar - The weighted mean mass of an atom of an element relative to 1/12 of the mass of a carbon-12 atom. Weighted: The percentage abundance of the isotopes of that element Mean: ...
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