//Ex2_1 clc; //Given: f=19;// atomic mass no. of F a=197;// atomic mass no.of Au p=239;// atomic mass no. of Pu //solution:(a) m1=f/(6.02*10^23); Rf=1.4*(f^(1/3))*10^-13;// in cm V1=1.3333*3.14*(Rf)^3; df=m1/(V1*10^14);// density in 10^14 g cm^-3 printf("\n The density nucleus of F(19) in 10^14 g cm^-3 is = %f ",df) //(b) m2=a/(6.02*10^23); Ra=1.4*(a^(1/3))*10^-13;// in cm V2=1.3333*3.14*(Ra)^3; da=m2/(V2*10^14);// density in 10^14 g cm^-3 printf("\n The density nucleus of Au(197) in 10^14 g cm^-3 is = %f ",da) //(c) m3=p/(6.02*10^23); Rp=1.4*(p^(1/3))*10^-13;// in cm V3=1.3333*3.14*(Rp)^3; dp=m3/(V3*10^14);// density in 10^14 g cm^-3 printf("\n The density nucleus of P(239) in 10^14 g cm^-3 is = %f ",dp) // Note: The density for Au(197) is not calculated correctly in the textbook.