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