Matter, Mixtures & Metals Unit Review

1. What does this picture represent?

• Solution
• Mixture
• Homogeneous
• Element

2. What type of mixture is this and why?

• Heterogeneous because the ingredients maintain their physical properties
• Homogeneous because some of the ingredients did not maintain their physical properties

3. What properties do sulfur and iodine have in common?

• They are all gasses and nonmetals
• They are all metalloids and are dull
• They are all metals and are insulators
• They are all metals and have a shiny luster

6. Which two classifications would describe this

• Pure substance
• Compound
• Mixture
• Heterogeneous
• Element

8. If students wanted to build a cell phone that has a semiconductor in it, which would they use?

• a nonmetal
• a metalloid
• a mixture
• a metal

9. Select the homogeneous mixtures

• 
• 
• 
• 

10. All of the following would classify an element as a nonmetal EXCEPT?

• Malleable
• Poor conductor
• Ductile
• Shiny

11. What does the image represent?

• Mixture
• Element
• Compound
• Pure substance

12. What are some characteristics that make up a gas? Select 3

• Has mass and density
• Easy to compress
• Particle slide and are free flowing
• Molecules move very fast
• Has a fixed volume and rigid pattern

4. Which of the following is a characteristic of a compound?

• It can be separated by physical means

• It has a fixed composition

• It is a mixture of elements

• It is always a gas