નીચે આપેલ આયનોમાંથી કયો સમૂહ સમઇલેક્ટ્રોનિક ઘટકોના જુથને રજૂ કરે છે
A${K^ + },C{l^ - },M{g^{2 + }},S{c^{3 + }}$
B$N{a^ + },C{a^{2 + }},S{c^{3 + }},{F^ - }$
C${K^ + },C{a^{2 + }},S{c^{3 + }},C{l^ - }$
D$N{a^ + },M{g^{2 + }},A{l^{3 + }},Cl$
AIEEE 2004, Easy
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c (c) Isoelectronic species are those which have same no. of electrons. \({K^ + } = 19 - 1 = 18\) ; \(C{a^{ + 2}} = 20 - 2 = 18\) \(S{c^{3 + }} = 21 - 3 = 18\) ; \(C{l^ - } = 17 + 1 = 18\)
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