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Predict the change that must occur in the electron configuration, if each of the following atoms is to achieve a noble gas configuration.
I need help with nitrogen. I know it gains 3 electrons. so that would make it a ____ ion?

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durrrachael
If it gains three electrons then it means it's a negative 3 because when it's positively charged then you lose electrons but when it's negatively charged then you gain electrons. It's reversed. Electron Configuration would be 1s2, 2s2, 2p3 that's without gaining the three electrons. With it is 1s2, 2s2, 2p6 which means that the Noble Gas is Neon.
pstnonsonjoku

Nitrogen attains the noble gas structure by gaining three electrons.

Stability of atoms has been associated with an atom having two or eight electrons in its outermost shell. This generally referred to as the octet rule. The octet rule is the basis for predicting the stability of atoms.

Nitrogen has an electron configuration of 1s2 2s2 2p3 in the ground state. However, when it accepts three electrons to form the stable nitride ion N^3-, its electron configuration becomes 1s2 2s2 2p6.

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