Question

Electronic configuration of $H^{-}$ is

• A. $1s^{0}$
• B. $1s^{1}$
• C. $1s^{2}$
• D. $1s^{1}2s^{1}$

Answer 1

Answer: (C)

$1s^{2}$

Answer 2

Electronic configuration of $H^{-}$ is $1s^{2}$. It has 2 electrons in extra nuclear space.