Classifying Matter Review

A substance made up of two or more chemically combined elements is ___.

• a compound

• an element

• a mixture

• a solution

Tags

NGSS.MS-PS1-1

A substance that cannot be broken down into any other substance by ordinary chemical means is called ___.

• an element

• a molecule

• a compound

• a mixture

Two or more physically combined substances form ___.

• a mixture

• an element

• a compound

• an acid

What is an example of a compound?

• Table salt (NaCl)

• Air

• Oxygen (O₂)

• Salt water

Tags

NGSS.MS-PS1-1

A pure substance that is made of more than one element is a ___.

• compound

• mixture

• suspension

• blend

Tags

NGSS.MS-PS1-1

What element do all organic compounds contain?

• carbon

• nitrogen

• oxygen

• calcium

Tags

NGSS.HS-LS1-6

Which of the following is an element?

• helium (He)

• salt (NaCl)

• methane (CH₄)

• bronze

Which of the following is a compound?

• carbon dioxide (CO₂)

• sulfur (S)

• blood

• air

Tags

NGSS.MS-PS1-1

Which of the following is a mixture?

• soda

• rust (Fe₂O₃)

• methane (CH₄)

• oxygen (O₂)

A mixture is uniform within the substance, evenly mixed, and cannot be distinguished visibly. This mixture is called ___.

• homogeneous

• substance

• compound

• heterogeneous