MHT CET 2026 Chemistry question

Chemistry Structure of Atom MHT CET 2026

Which of the following pairs represents isobars?

(A) and
(B) and
(C) and Correct
(D) and

Answer: (C)

Solution

Isobars are atoms of different elements (different atomic number) having the same mass number. (A) He and He: same atomic number 2, different mass numbers, so they are isotopes. (B) Mg and Mg: same Z = 12,

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Question ID VK-097706