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//Variable declaration
epsilon0=8.85*10**-12;
epsilonr=4; //dielectric constant
D=2.08*10**3; //density(kg/m**3)
Na=6.02*10**26; //avagadro number
M=32; //atomic weight
//Calculation
N=Na*D/M; //number of atoms(per m**3)
alphae=epsilon0*(epsilonr-1)/N; //atomic polarizability(F m**2)
//Result
printf('electronic polarizability is %0.3f *10**-40 F m**2 \n',(alphae*10**40))
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