Which of the following contains the maximum number of atoms?

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Which of the following contains the maximum number of atoms? (1)

10\text{ g}

\text{CaCO}_3

(2)

4\text{ g}

of hydrogen (3)

9\text{ g}

\text{NH}_4\text{NO}_3

(4)

1.8\text{ g}

\text{C}_6\text{H}_{12}\text{O}_6