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CBSE Class 12-science Answered

Calculate the approximate number of unit cell present in 1 gram of gold it is been given that gold  crystallize  in the fcc
Asked by anchsinghktr | 07 Mar, 2019, 08:13: PM
answered-by-expert Expert Answer
W e space K n o w space F o r space F C C thin space c u b i c space l a t t i c e space comma space Z space equals space 4 space a n d space M subscript A u end subscript equals 197 u S o comma space N o space o f space a t o m s space p e r space G r a m s space equals space fraction numerator 6.023 cross times 10 to the power of 23 over denominator 197 end fraction a n d space n u m b e r space o f space u n i t space c e l l s space equals space fraction numerator 6.023 cross times 10 to the power of 23 over denominator 197 cross times 4 end fraction space equals 7.64 cross times 10 to the power of 20
Answered by Sumit Chakrapani | 08 Mar, 2019, 03:53: AM

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CBSE 12-science - Biology
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