Essential Chemistry for IGCSE - Chemical Calculations (Section 5 - No. 7)
What does relative atomic mass express?
The mass of a single atom.
The average mass of an atom relative to carbon-12.
The mass of a mole of a substance.
The mass of all isotopes of an element.
Explanation
Relative atomic mass is the average mass of an atom of an element compared to 1/12 the mass of carbon-12.
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