Atomic StructureHard
Question
Which one of the following groupings represents a collection of isoelectronic species? (At. nos,: 55, Br:35)
Options
A.N3-, F-, Na+
B.Be, Al3-, Cl-
C.Ca2+, Cs+, Br
D.Na+, Ca2+, Mg2+
Solution
N3-, F- and Na+ contain 10 electrons each.
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