In c2 atom if mass of e is doubled and mass of n is halved then the atomic mass of c'2 would be ex. sol. in c2 a = 12, p 6 e = 6 doubled 12 n = 6- halved 3 new

As you know atomic mass is equal to no of neutrons plus no. of protons or electrons....so A=n+p... mass is halved means number is halved and mass i doubled means no is doubled...be...

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Atomic mass is calculated as no of neutrons plus no. of electrons...so don't be confused madhumathy😊

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hope you will got it🙏🙏