Essential Chemistry for IGCSE - Chemical Calculations (Section 1 - No. 44)
Which of the following statements about relative atomic mass is correct?
It is the mass of an atom compared to the mass of an oxygen atom.
It is the average mass of an atom compared to the mass of a carbon-12 atom.
It is the mass of a single atom expressed in grams.
It is the mass of a molecule compared to the mass of a carbon-12 atom.
Explanation
Relative atomic mass is the average mass of an atom compared to the mass of a carbon-12 atom.
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