Question

which one following set of ions represents the collection of isoelectronic species ? 1. K+ ,Cl- ,Mg2+, Sc3+ 2. Na+ ,Ca2+, Sc3+, F- 3. K+ , Ca2+, Sc3+, Cl-, 4. Na+, Mg2+, Al3+, Cl​

Answer 1

Answer:

Explanation:

As we a ions which have same no of electron are known as is electronic species

3) k+ = 18 electron

Ca2+= 18 electron

Sc3+=18 electron

Cl- = 18 electron

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