Ch.2 Chemical Reactions Amplify Test

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Front

What is a product in chemical reactions?

Back

The substance(s) that are created after a chemical reaction.

Front

What does it mean to rearrange?

Back

To change the order or position of something.

Front

What can be said about the properties of two samples made of the same repeating groups of atoms?

Back

The other properties will be the same because the repeating groups of atoms that make up the two samples are the same.

Front

Can one substance change into another substance?

Back

Yes, because atoms can be rearranged.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is an example of a chemical change?

Back

Burning wood, which produces ash, smoke, and gases.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the substance's chemical composition, while a chemical change does.

Front

What is an example of a physical change?

Back

Melting ice, which changes from solid to liquid but remains water.