Which of the following pair of nuclides are Isobars?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → ${}_{80}^{198}Hg,{}_{79}^{197}Au$
Isobars have the same mass numbers (198) but different atomic numbers, so they are isobars.
$∴{}_{80}^{198}Hg,{}_{79}^{197}Au$