Chemistry Review

Front

What is the Law of Conservation of Mass?

Back

Mass is never created or destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances.

Front

What type of set of elements do compounds contain?

Back

Compounds contain a fixed set of elements.

Tags

NGSS.MS-PS1-1

Front

What is sand at the beach classified as?

Back

Sand at the beach is a heterogeneous mixture.

Front

What can be separated physically?

Back

A mixture can be separated physically.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What is an element?

Back

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

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.