Question

what are isotopes??​

Answer 1

HEY MATE HERE IS YOUR ANSWER:-

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Answer 2

the elements having same no of atoms but the different mass no are called isotopes...