MPSC PYQScienceAtom and its Structureenglish

What are the elements called with different atomic numbers and atomic mass numbers but have the same number of neutrons ? (a) Isotones (b) Isotopes (c) Isobars (d) Isomer Answer Options:

A.a
B.b
C.(a) and d
D.(b) and c

Correct answer: A

Source paper

Atom and its Structure

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