Chemistry – Unit 1 – Particles and Matter

Which beaker contains only one type of element?

• A

• B

• C

• D

Which beaker contains a compound?

• A

• B

• C

• D

Which beaker(s) contain a pure substance? (check all that apply)

• 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

Classify the sample

• Pure Substance
• Mixture of Elements
• Mixture of Compounds

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

• A. element

• B. compound

• C. mixture

Classify the Sample.

• Pure Substance

• Mixture of Elements

• Mixture of Compounds

• Mixture of Elements and Compounds

Which chemical formula could be represented by this sample?

• NaCl
• H₂
• C₆H₁₂O₆
• Cu