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`
Text Solution
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The correct Answer is:
A
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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 side length of diamond unit cell is ("in pm") :
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 density of daimond unit cell is ("in " gm//cm^(3))
