Grade 12Inorganic Chemistry
the iso electronic ion having lowest ionisation energy is :i> S2-ii> Ca2+iii> K+iv> Cl-
the iso electronic ion having lowest ionisation energy is :
i> S2-
ii> Ca2+
iii> K+
iv> Cl-
1 Answer
Chidi Kester
All have 18 electrons but Calcium has the highest atomic number and so it`ll have the largest size making electron removal easier. Ca2+ is the lowest
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