Question

what do you mean by the term isotopes and isobars

Answer 1

. Isotopes are atoms that have same atomic number but different mass numbers.
. Isobars are atoms that have same mass number (Greek isos equal + Greek baros weight) but different atomic numbers.

Answer 2

atoms of the same element having same atomic number but different mass number are called isotopes.
atoms of different elements having same atomic mass called isobars.
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