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Q 3113001840.     (i) Arrange the following ions in the order
of increasing ionic radii.
`Na^+ , Mg^(2+) , F^(-) , O^( 2-)`
(ir) Explain why Be has higher ionization enthalpy than B.
(iii) Predict the formula of compound which
might be formed by silicon and bromine.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)