In chemical reactions, what does oxidation mean for metals?

• A. Metals oxidize by giving up electrons in chemical reactions.
• B. Metals gain electrons in oxidation.
• C. Metals form covalent bonds when oxidized.
• D. Metals become noble gases when oxidized.

Answer: (A)

Oxidation is the loss of electrons in a chemical reaction. For metals, this often happens as they form positive ions by shedding electrons when reacting with other elements or oxidizing agents. In redox terms, the metal’s oxidation state increases as electrons are transferred away, with the other species gaining those electrons (being reduced).

So the statement that metals oxidize by giving up electrons correctly captures this idea. Gaining electrons is reduction, not oxidation; oxidation doesn’t require covalent bonding to occur and isn’t about becoming a noble gas—those outcomes aren’t defining features of oxidation.