Draw the lewis structure, including typical contributions to the resonance structure (where appropriate, allow for the possibility of octet expansion, including double bonds in different positions), for (a) periodate ion; (b) hydrogen phosphate ion; (c) chloric acid; (d) arsenate ion.

check attached diagram

Explanation:

In order to draw a lewis structure for any ion,molecules or compounds, the following step must be followed;

FIRST STEP: select a central atom, the central atom should be the most electronegative as compare to other atoms in the ion, molecule or compounds.

For (a),(b), (c) and (d); Iodine,Phosphorus, Chlorine and Arsenic respectively.

SECOND STEP: Join this central atom to other atoms with a single bond

THIRD STEP: calculate the number of π electron using the formula below;

P= 6n +2 - V. Where V= valence electron, p= number of pie electron, n= number of atom

V can be calculated;

V= (6+6+6+6+5+1) - (-2)

=32

FOUTH STEP: complete the structure drawing it resonance

increase masses, decrease separation

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