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PS.2 Matter Open Notes Classwork
供稿人: Browder
  • 1. What is matter?
A) anything that has mass
B) anything that has mass and takes up space
C) anything that we can see
D) anything that takes up space
  • 2. What is a substance made up of two or more chemically combined elements in a fixed ratio?
A) compound
B) element
C) solution
D) mixture
  • 3. What is table salt (NaCl) classified as?
A) element
B) solution
C) compound
D) mixture
  • 4. What is an example of an element?
A) air (N, O, Ar, CO2)
B) salt (NaCl)
C) water (H2O)
D) oxygen (O)
  • 5. Which of these is best classified as a mixture?
A) salt (NaCl)
B) propane (C3H8)
C) air (N, O, Ar, CO2)
D) water (H2O)
  • 6. A substance with a definite volume and a definite shape is classified as a -
A) liquid
B) plasma
C) solid
D) gas
  • 7. Which phase of matter has no definite volume and occupies all the space available to it?
A) liquid
B) gas
C) solid
  • 8. Which state of matter is electrically charged an exists at extremely high temperatures?
A) liquid
B) gas
C) plasma
D) solid
  • 9. Which state of matter has no definite shape but does have a definite volume?
A) solid
B) plasma
C) liquid
D) gas
  • 10. What is a physical property of matter?
A) solubility
B) reactivity
C) acidity
D) combustibility
  • 11. Density depends on what two measurements of an object?
A) volume and size
B) length and width
C) mass and weight
D) mass and volume
  • 12. What is a chemical property of matter?
A) density
B) solubility
C) shape
D) basicity
  • 13. As matter changes from a solid, to a liquid, to a gas, what happens to its particles?
A) they slow down
B) they speed up
C) they increase in number
D) they decrease in number
  • 14. As matter turns from a gas, to a liquid, to a solid, the energy of the particles -
A) stays the same
B) increases
C) decreases
  • 15. In which phase of matter are the particles most tightly packed?
A) liquid
B) plasma
C) solid
D) gas
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