Compounds and Mixtures

Which of the following is an example of of a container filled with a pure substance rather than with a mixture?

• A tire filled with air.

• A jar filled with salt water.

• A balloon filled with helium.

• A glass filled with chocolate milk.

When the elements copper (Cu) and oxygen (O) chemically combine, they form...

• an ion

• a gas

• a compound

• a mixture

Tags

NGSS.MS-PS1-1

This image is a model of...

• an element

• a compound

• a homogenous mixture

• a heterogeneous mixture

Tags

NGSS.MS-PS1-1

This picture is a model of a...

• element

• compound

• heterogeneous mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

Tags

NGSS.MS-PS1-1

In this diagram, X represents...

• A compound

• A mixture

• An atom

• An element

Tags

NGSS.MS-PS1-1

In this diagram, Y represents... more than one answer. Have to get both for full credit.

• An element

• A molecule

• A compound

• A mixture

Tags

NGSS.MS-PS1-1