alleryStart learning →Two atoms of one element have the same protons but different masses. They are:
AIsomers
BIsotopes
CIsobars
DIsotones
Answer & Solution
Correct answer: B. Isotopes
1. Same element means the same proton count.
2. Different mass means a different neutron count.
3. Such atoms are isotopes.
_Source: syllabus Physics Part II, Class XII, Chapter 13, Nuclei._
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