Chem Unit 1 Review

What is matter?

• Anything that has mass

• Anything that occupies space

• Both, anything that has mass and takes up space

• I don't know

Which of the following is made up of matter?

• Music

• Light

• Love

• Air

Which of the following are pure substances?

• solutions
• compounds
• homogeneous mixtures
• colloids

A substance that is made up of only one kind of atom is a(an)

• compound
• homogeneous mixture
• element
• solution

If a material contains three elements joined in a fixed proportion, it is a(an)

• mixture
• solution
• atom
• compound

Water is a compound because it

• can not be broken down into simpler substances
• always has two hydrogen atoms for each oxygen atom
• is made of water atoms joined together
• is heterogeneous

Which of the following is a mixture?

• carbon dioxide
• silicon
• silicon dioxide
• sand

Which of the following is a heterogeneous mixture?

• water in a swimming pool
• sugar water
• a jar of mixed nuts
• stainless steel

This image represents a(n)

• element
• compound
• mixture
• colloid

Two classifications of a pure substance are

• homogeneous and heterogeneous
• atoms and elements
• elements and compounds
• solutions and colloids