What do you understand by isoelectronic species? Name a species isoelectronic with each of the following atoms or ions?

Q.

What do you understand by isoelectronic species? Name a species that will be

isoelectronic with each of the following atoms or ions.

(i) F^–

(ii) Ar

(iii) Mg²⁺

(iv) Rb⁺

Q. What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.
(i) F${}^{-}$ (ii) Ar (iii) Mg${}^{2+}$ (iii) Rb${}^{+}$

Q. What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.

$\left(I\right)Ar$

Q. What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.

$\left(I\right)M{g}^{2+}$

Q. What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.

$\left(D\right)R{b}^{+}$