Which of the following cations possesses a pseudo-inert gas electronic configuration ()? — Chemical Bonding Chemistry Question
Question
Which of the following cations possesses a pseudo-inert gas electronic configuration ($ns^2np^6nd^{10}$)?
Answer: B
💡 Solution & Explanation
A pseudo-inert gas configuration consists of 18 electrons in the outermost shell. $Zn^{2+}$ has the configuration $[Ar] 3d^{10}$, which has 18 electrons in its outermost 3rd shell ($3s^2 3p^6 3d^{10}$).
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