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In diamond structure ,carbon atoms form fcc lattic and `50%` tetrahedral voids occupied by acrbon atoms . Evergy carbon atoms is surrounded tetrachedral by four carbon atom with bond length 154 pm . Germanium , silicon and grey tin also crystallise in same way as diamond `(N_(A)=6xx 10^(23))` The mass of diamond unit cell is:A. ` 96 amu`B. `96 gm`C. `144 amu`D. `144gm` |
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Answer» Correct Answer - A |
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