1.

Which of the following pair(s) represent(s) the isoelectronic species ?

Answer»

`S^(2-)` & `Sc^(3+)`
`SO_(2)` & `NO_3^(-)`
`N_(2)` & `CN^(-)`
`NH_3` & `H_3O^+`

Solution :SPECIES having same NUMBER of ELECTRONS are CALLED isoelectronic specis.


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