MCQOPTIONS
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MCQOPTIONS
| 1. |
Copper, a monovalent, has molar mass \[63.54g/mol\]and density \[8.96\text{ }g/c{{m}^{3}}\]. What is the number density n of conduction electron in copper? |
| A. | \[3.2\times {{10}^{20}}\,{{m}^{-3}}\] |
| B. | \[8.49\times {{10}^{26}}\,{{m}^{-3}}\] |
| C. | \[6.2\times {{10}^{31}}\,{{m}^{-3}}\] |
| D. | None |
| Answer» C. \[6.2\times {{10}^{31}}\,{{m}^{-3}}\] | |