How find which are isoelectronic species

1.	How find which are isoelectronic species
Answer» Isoelectronic species: These are those species which have the same number of electrons.They are the ions of different elements which have same number of electrons but differ from one another in magnitude of nuclear charge.Examples of isoelectronic species with 10 electrons:N3-,O2-,F- Species having same no. Of electron are called isoelectronic eg. Na3- ,O2-,Mg2+

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