Question
Tue June 19, 2012 By: Aakanksha

an element A crystalises in fcc structure. 200g of this element has 4.12*10to the power 24 atoms. the density of A is 7.2g/cm. calculate the edge length of the unit cell

Expert Reply
Tue June 19, 2012
a3 = Z x M / density X N0 X 10-30
  = 4 X (200 x 6.023 x 1023 /4.12 x 1024) /7.2 x 6.023 x 1023 x 10-30
  = 26 .97 x 106 pm3
a = (26.97 x 106 )1/3 = 2.999 x 102pm
Fri January 20, 2017

Explain anisotropy 

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