Chemistry

Chemistry

Problem

Silver (atomic weight 108 g mol−1108 \text{ g mol}^{-1} ) has a density of 10.5 g cm−310.5 \text{ g cm}^{-3} . The number of silver atoms on a surface of area 10−12 m210^{-12} \text{ m}^2 can be expressed in scientific notation as Y×10−xY \times 10^{-x} . The value of xx is ____. (IIT-JEE 2010)

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