K is Potassium, Cl is Chlorine, and O is oxygen. The little number that follows an element tells you how much of that element there is. So O3 is 3 Oxygen.
Let's count: K Cl O O O
Answer:
it can hold up to 12 electrons.
explanation:
the p sub levels have 6 elements each, they each hold 2 electrons, so the entire p sub levels have 12 electrons.