Question

what are isoelectronic species???​

Answer 1

Answer:

Two or more molecular entities are described as isoelectronic if they have the same number of valence electrons and the same structure, i.e. number and connectivity of atoms, but differ in some of the elements involved. This definition is sometimes termed valence isoelectronicity, in contrast with various alternatives.

Answer 2

Answer:

Atoms and Ions That have same electronic configuration are called isoelectronic.

Explanation:

That's is the no of electrons of athe atoms and Ions are same.

For example.

O2-,Mg2+