Explain the important aspects of resonace with reference to the `CO_(3)^(2-)`ion.

Explanation

The resonating structures of `CO_(3)^(2-)` ions are as follows:

The important aspects of these resonating sturctures are as follows :
(i) These structures have nearly same energy.
(ii) The position of nuclei is same.
(iii) The number of bonding and non-bonding pair of electrons are same in all structures.