I need help!!! the last two answers choices are

c. Atom 2 is the same, because it just has many electrons as the number of protons in atoms 1 and 3.

D. Atom 2 is not the same, because the mass number is different from atoms 1 and 2.


I Need Help The Last Two Answers Choices Are C Atom 2 Is The Same Because It Just Has Many Electrons As The Number Of Protons In Atoms 1 And 3 D Atom 2 Is Not T class=