Silver (atomic weight ) has a density of

CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

Silver (atomic weight

108 \text{ g mol}^{-1}

) has a density of

10.5 \text{ g cm}^{-3}

. The number of silver atoms on a surface of area

10^{-12} \text{ m}^2

can be expressed in scientific notation as

Y \times 10^{-x}

. The value of

x

is ____. (IIT-JEE 2010)