Unit 2 Changes in Matter

Front

What type of bond is present in water (H₂O)?

Back

Covalent

Front

What is MgCl₂ classified as?

Back

Compound

Front

What does the Law of Conservation of Mass state?

Back

Mass is never created or destroyed, it changes form.

Front

What type of mixture is formed when oil and water are combined?

Back

Heterogeneous Mixture

Front

What type of change occurs during a chemical reaction?

Back

Chemical Reaction

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.