Question

The atoms of different elements which have the same mass number are called______________.

Answer 1

ISOBARS: The atoms of different elements with different atomic numbers, which have the same mass number are called isobars.

Isobars contain different numbers of electrons, protons, and neutrons.

Example: ${}_6{}^{}\mathrm{C}^{14}\mathrm{and}{}_7{}^{}\mathrm{N}^{14}$ are isobars.

Hence, The atoms of different elements which have the same mass number are called isobar.