The number of electrons in a neutral atom is equal to:
A
atomic mass number
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B
number of neutrons
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C
its valency
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D
number of protons
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Solution
The correct option is D number of protons The no. of electrons in a neutral atom are equal to its number of protons. It is also equal to its atomic number.
For example, the atomic number of N is 7. It contains 7 electrons and 7 protons.