`O^(2-)` is isoelectronic withA. `Zn^(2+)`B. `Mg^(2+)`C. `K^(+)`D. `Ni^(2+)`

`O^(2-)` is isoelectronic withA. `Zn^(2+)`B. `Mg^(2+)`C. `K^(+)`D. `Ni

1.	`O^(2-)` is isoelectronic withA. `Zn^(2+)`B. `Mg^(2+)`C. `K^(+)`D. `Ni^(2+)`
Answer» Correct Answer - B `O^(2-) "is isoelectronic with" Mg^(+2)` `O^(2-)to8+2=10e^(-)` `Mg^(+2)to12-2=10e^(-)`

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`O^(2-)` is isoelectronic withA. `Zn^(2+)`B. `Mg^(2+)`C. `K^(+)`D. `Ni^(2+)`

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