1.

Which of the following is the correct option according to their given against properties

Answer»

`NgtPgtOgtS` (ORDER of ionisation potential)
`NltPltOltS` (Order of electron AFFINITY)
`OltNltPltS` (order of atomic radii)
`NltPltO=S` (Order of CONVALENCY)

Solution :(i) Ordr of I.P. `=NgtOgtPgtS`
(ii) Order of A.R. `=PgtSgtNgtO`
(III) COVALENCY of 's' is greater than 'O'


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