Resonance or mesomerism is applicable to structures that cannot be formed with a single bond alone. Thus, for the structure of HCO2, there can be 2 resonance structures. In each structure, the formal charges are
C=0;
C=0
Oxygen=0
C-O=-1
H=0
HCO2-'s structure is a mixture of the two resonance structures. Hope this helps.
(a) chlorine gains an electron from a sodium atom
Answer:
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Explanation:
