Answer:
O.
Explanation:
- The element which is oxidized is the element that losses electrons and its oxidation state be more positive.
- The element which is reduced is the element that gain electrons and its oxidation state be more negative.
<em> O goes from 0 to -2, so, it is the element that is reduced.</em>
Mass number...use da textbook bra
Answer:
ionic bonding occurs between ions and covalent bonding occurs when atoms have electrons in common (they share).
