Answer would be c! hope i can help
I think it’s Salt if I’m wrong I’m very sorry
The term living thing refers to things that are now or once were alive, a nonliving thing is anything that was never alive.
Remark
The short Answer is 6. That's why the ion has a charge of minus 2. Oxygen is doing it's best to have its outer ring have 8 electrons which is the number of outer electrons contained in the outer ring of the Noble Gas Neon.
Answer 6.