1.

Ionization energies of five elements in kcal/mol are given below: Q. If Q reacts with fluorine and oxyge, the molecular formula of fluoride and oxide will be respectively:

Answer»

`QF_(3), Q_(2)Q_(3)`
`QF,Q_(2)O`
`QF_(2),QO`
none of these

Solution :Q is alkali METAL as it show GROUP in `I.E_(2)` value.


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