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+// Ex10_8  Page:214 (2014)
+clc;clear;
+a = 3.2e-10;    // Lattice parameter for lead, m:
+M = 207.2;        // Atomic weight of Pb, gram per mole
+rho = 11.36e+03;    // Density of Pb, kg per metre cube
+N = 6.023D+26;    // Avogadro's No., per k-mol
+// Volume of the unit cell is given by
+// a^3 = M*n/(N*rho)
+// Solving for n
+n = a^3*rho*N/M; // Number of atoms per unit cell
+printf("\nThe number of atoms per unit cell for an fcc lattice of lead = %d", n);
+
+// Result
+// The number of atoms per unit cell for an fcc lattice of lead = 1
+\ No newline at end of file