Question

what are isotopes explain by giving an example

Answer 1

Definition of Isotopes. Elements are defined by the number of protons in the atomic nucleus. For example, an atom with 6 protons must be carbon, and an atom with 92 protons must be uranium. In addition to protons, the atoms of nearly every element also contain neutrons.

Answer 2

isotopes are the elements having same atomic number but different mass number .. eg, c12 c14, hydrogen ,deuterium,tritium