Question

what are isotop , isobar

Answer 1

Isotopes = Atoms of same elements, having same atomic number but different mass number is called isotope

Isobars= atoms of different elements having different atomic number but same mass number is called isobar

Answer 2

Answer:

Isotopes : Atoms with same number of protons but different number of neutrons are known as isotopes .

Isobars : Atoms with same atomic number but different mass number are known as isobars .