Answer :
The number of electrons in an atom of nitrogen with a charge of 3 depends on whether the charge is positive or negative. For a positive charge, the atom would have 4 electrons, while for a negative charge, the atom would have 10 electrons.
An atom of nitrogen has 7 electrons in its neutral state. However, you mentioned that the nitrogen atom has a charge of 3. In this case, we need to consider that a positive charge indicates a loss of electrons, while a negative charge indicates a gain of electrons.
If the nitrogen atom has a charge of +3, it means that it has lost 3 electrons. Since the neutral nitrogen atom normally has 7 electrons, we can subtract 3 from 7 to find the number of remaining electrons. Therefore, an atom of nitrogen with a charge of +3 would have 4 electrons.
On the other hand, if the nitrogen atom has a charge of -3, it means that it has gained 3 electrons. Again, starting with the neutral nitrogen atom which has 7 electrons, we can add 3 to 7 to find the number of total electrons. Therefore, an atom of nitrogen with a charge of -3 would have 10 electrons.
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