Question

Q12) Which of the following
groupings represents the collection
of isoelectronic species? *
O (a) Ca2+, Cs+ , Br
O (b) Na2+, Ca2+, Mg2+
O (c) N3-, F-, Na+
O (d) Be , Al3+, Cl-​

Answer 1

Answer:

option C must be the answer of your question

Answer 2

Answer:

option C is correct

hope it helps you.