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Sheryl:
According to a question I must answer, C and O anions with a negative charge of minus one have been observed. Maybe they do not occur in nature. I need to know why it is not possible to have or to make an N ion with a single negative charge but it is for O and C. It has to do with electron configuration.

The exact question is:
"Why has it not been possible to date to make a N- ion when C- and O- have been observed? Explain it terms of electron configuration of the atoms mentioned."

I've spent hours looking for this on the internet and am not getting anywhere with it. Any help appreciated.

Sheryl

Mitch:
N- has been made. It takes 7 kJ/mol. Just look up the electron affinity of nitrogen.

Sheryl:
The instructor said that if it's been made, we need to ignore it and act as if it hasn't.  Anyhow, I have to answer the question regardless of whether it's been made or not.

Sheryl

Mitch:
Why don't you actually write the electron configuration for us.

Sheryl:
Electron configuration for nitrogen is [He] 2s2 2p3

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