MCQ
Which of the following is isoelectronic with carbon atom
  • A
    $N{a^ + }$
  • B
    $A{l^{3 + }}$
  • C
    ${O^{2 - }}$
  • ${N^ + }$

Answer

Correct option: D.
${N^ + }$
d
(d) ${N_7} = 1{s^2}\,2{s^2}2{p^3}$

${N^ + } = 1{s^2}\,2{s^2}2{p^2}$

$C = \,\,1{s^2}\,2{s^2}2{p^2}.$

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