Question

Arrange following ions in increasing order of ionic radius flourine, sodium, magnesium, aluminium, nitrogen, oxygen

Answer 1

Explanation:

anions are larger than normal atom..and actions are smaller than normal atom, as in anions the no. of electron increases and there is repulsion and size will be bigger. and in cations, the no. of proton imcreases that is effective nuclear charge increases and hence attraction increases d size will be smaller.

Al+3<Mg+2<Na+<F-<O-2<N-3