Ineed to turn this what is a for cio3-, the chlorate ion?

A = is for central atom = Cl = 1

N = is the total number of lone pair of electron = 2

Explanation:

AXN for ClO3- is

A = 1 = 1 Cl

X = 3 ( X = the number of particles attached = O3 = 3 )  

N = 1 lone pair of electron

the answer is 75.0%.

answer carbon and three oxygen atoms;