I believe it’s 32, I might be wrong though
The net iconic charge of an oxygen ion is -2
If the question is multiple choice the answer would be:
2) 2
A.) Phosphate ion or Orthophosphate
d.) Hydroxide
D.) Ammonium
e.) Iron
C.) Nitrate
f.) Sulfur dioxide
Answer: An imbalance of electric charge I the surface of an object
-electric charges that are stationary or at rest
-charges that build up on an object