Question

what is isoelectronic species ?give one example?

Answer 1

Isoelectronic species are elements or ions that have the same, or equal number of electrons. This module explores that although isoelectronic species have the same number of electrons, they are different in their physical and chemical properties.

Answer 2

isoelectronic species are those elements or ions that have same or equal number of electron  for e.g. CO2 (carbon dioxide) and n2(nitrogen gas)