Silver (atomic weight.. | Chemistry |JEE ADVANCED 2007

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Silver (atomic weight $=108 \mathrm{~g} \mathrm{~mol}^{-1}$ ) has a density of $10.5 \mathrm{~g} \mathrm{~cm}^{-3}$. The number of silver atoms on a surface of area $10^{-12} \mathrm{~m}^2$ can be expressed in scientific notation as $\mathrm{y} \times 10^{\mathrm{x}}$. The value of x is

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