Exams › NEET › Chemistry

Isobars have same mass numbers becausetheir nuclei contain equalnumber of

1. protons
2. electrons
3. neutrons
4. nucleons

Correct answer: nucleons

Solution

Isobars are atoms of different elements that have the same mass number. Since mass number equals the total number of nucleons in the nucleus, isobars must have equal numbers of nucleons.

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