Elements, Compounds & Mixtures

Front

What are pure substances?

Back

Pure substances have the same properties throughout.

Front

What is the smallest particle of an element that has the same properties as that element?

Back

An atom.

Tags

NGSS.MS-PS1-5

Front

What are elements made of?

Back

Elements are made of one type of atom.

Tags

NGSS.MS-PS1-1

Front

What happens when substances combine chemically?

Back

They form a compound and their properties change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a substance that cannot be broken down further chemically?

Back

An element.

Front

What is a compound?

Back

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

Tags

NGSS.MS-PS1-1

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each retains its own properties.

Front

Can mixtures be separated by physical means?

Back

Yes, mixtures can be separated by physical means.

Front

What is the difference between an element and a compound?

Back

An element is made of one type of atom, while a compound is made of two or more types of atoms bonded together.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1