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What does it mean for an element to be reduced?
OA. The element has reacted with oxygen.
OB. The element is in ion form in solution.
C. There are fewer atoms in the product than in the reactant.
OD. The element has gained one or more electrons.

Respuesta :

Answer:

D. The element has gained one or more electrons.

Explanation:

What it means for an element to be reduced is that the element has gained one or more electrons. Also when it's oxidation number decreases, it means that the element is reduced.

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