Relative masses of atoms and molecules — Chemistry 0620 IGCSE Question & Worked Solution

Define relative atomic mass.

AIt is the average mass of the isotopes of an element compared to $\frac{1}{12}$th of the mass of an atom of $^{12}\text{C}$.
BIt is the total mass of the isotopes of an element compared to $\frac{1}{12}$th of the mass of an atom of $^{12}\text{C}$.
CIt is the average mass of an element compared to $\frac{1}{12}$th of the mass of an atom of $^{12}\text{C}$.
DIt is the total mass of an element compared to $\frac{1}{12}$th of the mass of an atom of $^{12}\text{C}$.

Relative masses of atoms and molecules — practice question