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clear
//
//
//
//Variable declaration
M=55.85; //atomic weight
N=6.023*10^23; //avagadro number
a=2.9*10^-8; //lattice constant(m)
rho=7.87; //volume density(gm/cc)
//Calculations
n=rho*N*a^3/M; //number of atoms per unit cell
//Result
printf("\n number of atoms per unit cell is %0.3f ",n)
printf("\n the lattice is BCC")
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