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JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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What is the difference between two species if one has atomic mass =14=14 and atomic number =7=7 whereas the other has atomic mass =14=14 and atomic number =6=6 ?
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Correct option: D
All of these
Option D (All of these) is correct because a difference in atomic number implies a difference in the number of protons and electrons, and consequently, the number of neutrons.

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