If an atom of nitrogen gains 3 electrons, what is its overall charge?0-3+3
Question
If an atom of nitrogen gains 3 electrons, what is its overall charge?0-3+3
Solution
An atom of nitrogen normally has 7 electrons. If it gains 3 more electrons, it will have 10 electrons.
The charge of an electron is negative. So, gaining 3 electrons means the nitrogen atom is gaining 3 negative charges.
Therefore, the overall charge of the nitrogen atom after gaining 3 electrons would be -3.
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