1. Anatomy Chemistry Review

2. Question #1 What has hydrogen bonds that form a crystalline structure? Clue: It floats

3. Answer Ice

4. Question #2 A boulder sitting at the top of a hill that is ready to roll down is considered what form of energy?

5. Answer Potential

6. Question #3 What type of bond forms the compound NaCl?

7. Ionic

8. Question #4 What do elements C, H, O, and N have in common?

9. They make up 96% of the human body.

10. Question #5 NaOH + HCl yields NaCl + H2O Is an example of which type of reaction?

11. Exchange or double replacement

12. Question #7 In a water molecule, the hydrogen and oxygen atoms are held together by a:

13. Answer Polar covalent bonds

14. Question #7 Two water molecules are held together by which type of bond?

15. Answer A hydrogen bond

16. Question #8 Riding a bicycle is which type of energy?

17. Mechanical

18. Question #9 Harnessing solar energy is the direct result of which type of energy?

19. Answer Radiant

20. Question #10 Chemical reactions that absorb energy and get cooler are:

21. Answer: Endothermic

22. Question #11 Unique substances that cannot be broken down any further without changing chemically are _______.

23. Answer: Elements

24. Question #11 These subatomic particles make up the mass of an atom and are found in the nucleus.

25. Answer: Protons and neutrons

26. Question #12 What is the valence of an element with atomic number of 7?

27. Answer: 5

28. Question #13 Sodium emits a “rotten egg” smell. What property is this?

29. Answer: A physical property

30. Question #14 Two solutions form a precipitate. What type of property is this?

31. Answer: A chemical property

32. Question #15 Molecules with carbon are said to be___________.

33. Answer: Organic

34. Question #16 What is the difference between a colloid and a suspension?

35. Answer: Colloids hold on to particles and suspension drop them

36. Question #17 Mixtures are ___________ combinations of substances.

37. Answer: physical

38. Questions #18 Compounds are __________ combinations of substances.

39. Answer: Chemical

40. Questions #19 What school event is there tonight?

41. Answer Open house

42. Question #20 2 Hydrogen atoms chemically combined to 1 oxygen is an example of a ____________ bond.

43. Answer Covalent

44. Question #21 How does your body decrease high acid levels?

45. Answer: It produces a buffer

46. Question #22 Molecules that hate water are said to be:

47. Answer: Hydrophobic

48. Question #23 AB yields A + B describes:

49. Answer A decomposition reaction

50. Question #24 Insects can walk on water because of water molecules stick to each other. This is known as________.

51. Answer Cohesion or surface tension

52. Question #25 Substances that are inorganic, ionically bonded, electrolytes, and cations other than H and OH are called_____________

53. Answer: Salts

54. Question #26 Substances that release H into solution are____________.

55. Answer: Acids

56. Questions #27 How much OH is in solution if the pH of a substance is 5?

57. Answer: 1 X 10 -9

58. Question #28 A biomolecule has twice as many hydrogen atoms as oxygen. What is it?

59. Answer: A carbohydrate

60. Question #29 A biomolecule has many times more hydrogen atoms as oxygen. What is it?

61. Answer: A lipid

62. Question #30 A biomolecule contains nitrogen. What is it?

63. Answer: A protein

64. Question #31 A biomolecule contains nucleotides. What is it?

65. Answer: A nucleic Acid such as DNA or RNA

66. Question #32 A biomolecule is not working. It was heated to high. What is it?

67. Answer An enzyme (protein)

68. Question #33 Two sugars are combined, what molecule is removed?

69. Answer water

70. Question #34 This molecule is a double helix, thymine, and contains deoxyribose for its sugar. What is it?

71. Answer DNA

72. Question #36 What is the process of combining two or more monomers together called?

73. Answer Either polymerization or dehydration synthesis.

74. Question #37 Breaking down macromolecules into smaller ones while replacing water molecules is called ____________

75. Answer Hydrolysis