1.

The size of ionic species is correctly given in the orders-

Answer»

`Li^(+) GT MG^(2+) gt Be^(2+)`
`Na^(+) gt Mg^(2+) gt Si^(4+)`
`Si^(4+) gt Mg^(2+)gt Na^(+)`
`Mg^(2+) gt Li^(+) gt Na^(+)`

Answer :A::C


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