${M g}^{2 +}$ is isoelectronic with:

{C u}^{2 +}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

{Z n}^{2 +}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

{N a}^{+}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

{C a}^{2 +}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C ${N a}^{+}$
Isoelectronic species have the same number of electrons.

Mg has atomic number $= 12$ which is its total number of electrons.

$M g^{2 +} = 10$ electrons

$N a^{+}$ contains 10 electrons.

Hence, they are isoelectronic species.

Suggest Corrections

Similar questions

F e^{2 +}, N i^{2 +}, C a^{2 +}, K^{+}, M g^{2 +}, N a^{+}, C u^{2 +}, Z n^{2 +}

Which of the following are isoelectronic species i.e., those having the same number of electrons?

Na⁺, K⁺, Mg²⁺, Ca²⁺, S^2–, Ar

Which one of the following is an example of positive ion and negative ion that is isoelectronic with $F^{-}$ ?

O^{2 -}

Which one of the following is an example of a positive ion and negative ion that is isoelectronic with $F^{-}$ ?

Join BYJU'S Learning Program