Answer:
its down below
Explanation:
i don't know whether this is what u were searching for but i tried my best...
Answer:when an atom loses an electron it gets a net positive charge on it and become positive in, and when atom gain an electron it receives a net negative charge on it and becomes a negative ion
I believe there is 2 but I could be wrong so really sorry if I am
C₄H₉O₂
just count the amount of atoms present in the model.