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g Select the correct statements. I. Reduction is the loss of electrons, and oxidation is the gain of electrons II. Reduction is the gain of electrons, and oxidation is the loss of electrons III. The reactant that is reduced is also called the reducing agent, and the reactant that is oxidized is called the oxidizing agent. IV. The reactant that is oxidized is also called the reducing agent, and the reactant that is reduced is called the oxidizing agent. V. The sum of all the oxidation numbers in a compound is equal to the charge of that compound.

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Answer:

These are the correct ones:

- Reduction is the gain of electrons, and oxidation is the loss of electrons

- The reactant that is oxidized is also called the reducing agent, and the reactant that is reduced is called the oxidizing agent.

Explanation:

The oxidant is reduced because it picks up electrons to oxidize another substance, while the reducing agent oxidizes because it loses electrons to be able to reduce another substance.

The sum of all the oxidation numbers in a compound is ALWAYS 0.

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