Chemistry, asked by muralireddy97, 9 months ago

calculate paking efficiency bcc and fcc​

Answers

Answered by Anonymous
3
  • BCC

no. of atom in unit cell = 2

relation between edge and radius ,

a = 4r/1.73

paking efficiency = 2 * 4pi r^2 / a^3 = 68%

  • FCC

no. of atom in unit cell = 4

relation between edge and radius,

a = 2(2)^1/2

packing efficiency = 4 * 4pi r^2 / a^3 = 74%

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