Pure Substances vs. Mixtures

All of the following are elements EXCEPT:

• carbon

• nitrogen

• oxygen

• water

All of the following are compounds EXCEPT:

• hydrogen

• sodium chloride

• water

• carbon dioxide

Tags

NGSS.MS-PS1-1

Elements are pure substances.

• True

• False

Compounds are pure substances.

• True

• False

Mixtures are pure substances.

• True

• False

The particle diagram shown is a:

• pure substance

• mixture

Tags

NGSS.MS-PS1-1

The particle diagram shown is a:

• pure substance

• mixture

Tags

NGSS.MS-PS1-1

Which picture(s) represents a mixture between two elements?

• A

• B

• C

• A and C

Tags

NGSS.MS-PS1-1

Which picture(s) represents a mixture between an element and a compound?

• A

• B

• D

• B and D

Tags

NGSS.MS-PS1-1

Which picture represents a mixture that is 75% compound and 25% element?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1