Alaska Science Grade 8 Practice Questions - Alaska Science Assessment, Grade 8 Exam

During a chemical reaction, atoms rearrange. Which statement is ALWAYS true?

The number of each type of atom is the same before and after the reaction. The number of molecules is always the same before and after the reaction. All products must be solids. Energy can never be released or absorbed.

Correct Answer:

The number of each type of atom is the same before and after the reaction.

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