What is the electron configuration of $"H"^-$ ?

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What is the electron configuration of $"H"^-$ ?

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Answer 1 · 2017-06-09T15:41:32

Well, what's the configuration of $"H"$ plus one electron? $"H"$ notoriously has only one electron... and it is in the $1s$ orbital, the first orbital of $n = 1$ and $l = 0$ . Therefore, its electron configuration can only be $1s^1$ .

...and $"H"^(-)$ has $1 + 1 = 2$ electrons by conservation of charge... so $1s^?$ is the electron configuration?

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What is the electron configuration of $"H"^-$ ?

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