Matter and Change

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

• I

• II

• III

• IV

Which beaker contains only one type of element?

• A

• B

• C

• D

Which beaker contains a compound?

• A

• B

• C

• D

Which is the best description of one particle of table salt (NaCl)?

• mixture

• compound

• element

Classify the sample

• Pure substance
• Mixture

Classify the sample

• Element
• Compound

What is a pure substance made of two or more elements that are chemically combined called?

• A. element

• B. compound

• C. mixture

________________ is anything that has mass and takes up space.

• volume
• matter
• mass
• weight

The amount of matter something contains is its ______________.

• gas
• solid
• weight
• mass

This state of matter does not have a definite size or shape.

• gas
• toys
• solid
• milk