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Atoms and Molecules — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceAtoms and Molecules1 Mark
Question
Define Relative molecular mass.
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Answer

The Relative molecular mass of a molecule is the ratio between the mass of one molecule of the substance to 1 / 12th mass of an atom of Carbon – 12 isotope.

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