Chemistry · 2023
JEE Main · 15 April 2023, Shift 1 · Q87
The total number of isoelectronic species from the given set is ____. O^2-, F^-, Al, Mg^2+, Na^+, O^+, Mg, Al^3+, F
The total number of isoelectronic species from the given set is $\displaystyle \_\_\_\_$.
$$\mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{Al}, \mathrm{Mg}^{2+}, \mathrm{Na}^{+}, \mathrm{O}^{+}, \mathrm{Mg}, \mathrm{Al}^{3+}, \mathrm{F}
$$
Official answer
From NTA’s final answer key for this paper.
5
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.