Q. The number of neutrons in an atom is equal to the :
A) Atomic number
B) Mass number
C) Number of electrons
D) Mass number - atomic number
✔ Correct Answer: Mass number - atomic number
Exam Insight
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A) Atomic number
B) Mass number
C) Number of electrons
D) Mass number - atomic number
✔ Correct Answer: Mass number - atomic number
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