• # question_answer Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom [NCERT 1978] A)                 ${{F}^{-}}$        B)                 Oxygen atom C)                 $Mg$  D)                 ${{N}^{-}}$

${{F}^{-}}$ have the same number of electrons with the neon atom.