Question

Atoms of same mass no. but of different at. no. are known as isobars. If true enter 1, else enter 0.

Answer 1

Atoms of same mass no. but of different at. no. are known as isobars.
They have different number of protons and neutronsbut the sum of their protons and neutrons is same.
They have different chemical properties but similar physical properties related to mass.
For example ${}_{18}^{40}Ar$, ${}_{19}^{40}K$ and ${}_{20}^{40}$ are isobars.