Isoelectronic species are - Vidyadip

MCQ

Isoelectronic species are

✓
${K^ + },\,C{l^ - }$
B
$N{a^ + },\,C{l^ - }$
C
$Na,\,Ar$
D
$N{a^ + },\,Ar$

✓

Answer

Correct option: A.

${K^ + },\,C{l^ - }$

a
(a) ${K^ + } = \,1{s^2}\,2{s^2}2{p^6}3{s^2}3{p^6}$

$C{l^ - } = \,1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.$

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