Question

consider the following species of N-3 , and arange them in increasing order
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Answer 1

Answer:

(a) All the given species contain same number of electrons (10). Hence, they are isoelectronic species. With increase in the nuclear charge, the ionic size decreases.

(b) The increasing order of ionic radii is Al  

3+

<Mg  

2+

<Na  

+

<F  

−

<O  

2−

<N  

3−

.

Explanation: