2. put host here

3. Chapter 1 Vocabulary

4. Chapter 1 Key Points

5. Chapter 2 Vocabulary

6. Chapter 2 Key Points

7. Chapter 4

8. Calculations

9. $100 $200 $300 $400 $500 $200 $100 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

10. What is matter?

11. Anything that has mass and occupies space

12. What is the study of the composition of matter?

13. Chemistry

14. Which branch of chemistry deals with the rate when matter undergoes a change?

15. Physical chemistry

16. What is research that is directed toward a practical goal or application?

17. Applied Chemistry

18. What is a well- tested explanation for a set of observations?

19. Theory

20. How is chemistry useful?

21. Explains the natural world, prepares people for career opportunities, and produces informed citizens

22. What are the steps in the scientific method?

23. Making observations, testing hypotheses, and developing theories

24. How do chemists study the universe?

25. They gather data and analyze matter brought back to Earth

26. Who helped transform chemistry to the science of measurement that it is today?

27. Lavoisier

28. What are the five traditional areas of study in chemistry?

29. Organic, inorganic, biochemistry, analytical, and physical

30. What is the measure of the amount of matter an object contains?

31. Mass

32. The property that depends on the type of matter

33. Intensive

34. What can be observed without changing the substance’s composition?

35. Physical property

36. What can be compressed?

37. Gas

38. What is a phase?

39. Any part of a sample with uniform composition and properties

40. What are the three states of matter?

41. Solid, liquid, and gas

42. What are the two types of physical changes?

43. Reversible and irreversible

44. Extensive or intensive? Plastic vs paper bags

45. Intensive

46. What has to happen in a chemical change?

47. The composition has to change

48. What are four possible clues to a chemical change?

49. Transfer of energy, colour change, production of a gas, or a precipitate

50. Who believed atoms were indivisible and indestructible?

51. Democritus

52. What are the three types of subatomic particles?

53. Electrons, protons, and neutrons

54. What two subatomic particles have almost the same weight?

55. Protons and neutrons

57. What does the atomic number refer to?

58. The number of protons

59. What makes up most of the volume of an atom?

60. The electrons

61. How many protons, neutrons, and electrons are there in fluorine-19?

62. 9, 10, 9

63. How many protons, neutrons, and electrons are there in Manganese-55?

64. 25, 30, 25

65. Argon has three isotopes with mass number 36, 38, and 40. Which isotope is the most abundant?

66. Argon-40

67. Chlorine-35 (34.97amu, 75.77%) Chlorine-37 (36.97amu, 24.23%) Find atomic mass

68. 35.45amu

69. 78.92amu (50.69%) and 80.92amu (49.31%) Find atomic mass of bromine

70. 79.91amu

72. Law of Conservation of Mass

73. Oxygen and hydrogen react to form water. 6g of hydrogen produced 54g of water. How much oxygen was used?

74. 48g