What is a Chemical Change?
Review Chemistry Unit 4

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical change occurs when two or more molecules interact, forming new molecules.
2.
FLASHCARD QUESTION
Front
What is the Atomic Mass of Boron?
Back
The atomic mass of Boron is 11.
3.
FLASHCARD QUESTION
Front
What is a Physical Change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.
4.
FLASHCARD QUESTION
Front
What is an example of a Physical Change?
Back
Cutting paper, melting glass, and boiling water are examples of physical changes.
5.
FLASHCARD QUESTION
Front
What is NOT an example of a Physical Change?
Back
Burning wood is NOT an example of a physical change; it is a chemical change.
6.
FLASHCARD QUESTION
Front
What is a Reactant?
Back
A reactant is a substance that undergoes a chemical change in a reaction.
7.
FLASHCARD QUESTION
Front
What is a Product?
Back
A product is a substance that is produced as a result of a chemical reaction.
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