//Chapter 2
//page no 43
//given
clc;
clear ;
n=1;
Ne=2*n^2;
printf("\n Maximum number of electron in 1st shell is %.0f\n ",Ne);//Result
n2=2;// shell no
Ne2=2*n2^2;// shell no
printf("\n Maximum number of electron in 2nd shell is %.0f ",Ne2);//Result