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What is a reactant?

A an electron that participates in a chemical bond

B a sample of matter that is destroyed in a chemical change

C an amount of energy that causes a chemical reaction

D a substance that is altered in a chemical reaction

2 Answers

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D) A substance that is altered in a chemical reaction....

User Satwik Nadkarny
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D) A substance that is altered in a chemical reaction.
User Kevin ORourke
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