1. © 2013 Pearson Education, Inc. Chapter 2: Chemical Principles $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 The Structure of Atoms Chemical Bonds Inorganic Compounds Chemical Reactions Organic Compounds FINAL ROUND

2. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $100 Question What is the smallest component of a pure substance that exhibits physical and chemical properties of that substance? a. nucleus b. molecule c. atom d. element ANSWER BACK TO GAME

3. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $100 Answer What is the smallest component of a pure substance that exhibits physical and chemical properties of that substance? a. nucleus b. molecule c. atom d. element BACK TO GAME

4. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $200 Question The nucleus contains a. electrons and protons. b. protons and neutrons. c. protons and electrons. d. electrons and neutrons. BACK TO GAME ANSWER

5. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $200 Answer The nucleus contains a. electrons and protons. b. protons and neutrons. c. protons and electrons. d. electrons and neutrons. BACK TO GAME

6. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $300 Question Atoms with different numbers of neutrons in their nuclei are called a. molecules. b. elements. c. isotopes. d. compounds. BACK TO GAME ANSWER

7. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $300 Answer Atoms with different numbers of neutrons in their nuclei are called a. molecules. b. elements. c. isotopes. d. compounds. BACK TO GAME

8. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $400 Question How many electrons are in the second shell? a. 2 b. 8 c. 6 d. 18 BACK TO GAME ANSWER

9. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $400 Answer How many electrons are in the second shell? a. 2 b. 8 c. 6 d. 18 BACK TO GAME

10. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $500 Question An isotope of oxygen has an atomic number of 8 and an atomic weight of 18. How many neutrons does it have? a. 18 b. 7 c. 8 d. 10 BACK TO GAME ANSWER

11. © 2013 Pearson Education, Inc. Topic 1: The Structure of Atoms $500 Answer An isotope of oxygen has an atomic number of 8 and an atomic weight of 18. How many neutrons does it have? a. 18 b. 7 c. 8 d. 10 BACK TO GAME

12. © 2013 Pearson Education, Inc. Which type of bond is weak and does NOT bind atoms together? a. hydrogen bond b. ionic bond c. covalent bond d. valence bond Topic 2: Chemical Bonds $100 Question BACK TO GAME ANSWER

13. © 2013 Pearson Education, Inc. Topic 2: Chemical Bonds $100 Answer Which type of bond is weak and does NOT bind atoms together? a. hydrogen bond b. ionic bond c. covalent bond d. valence bond BACK TO GAME

14. © 2013 Pearson Education, Inc. The number of extra or missing electrons in an atom’s outermost electron shell is called the atom’s a. atomic number. b. electronic configuration. c. valence. d. covalence. Topic 2: Chemical Bonds $200 Question BACK TO GAME ANSWER

15. © 2013 Pearson Education, Inc. The number of extra or missing electrons in an atom’s outermost electron shell is called the atom’s a. atomic number. b. electronic configuration. c. valence. d. covalence. Topic 2: Chemical Bonds $200 Answer BACK TO GAME

16. © 2013 Pearson Education, Inc. A bond formed from the attraction between ions of opposite charge is called a(n) a. ionic bond. b. covalent bond. c. peptide bond. d. hydrogen bond. Topic 2: Chemical Bonds $300 Question BACK TO GAME ANSWER

17. © 2013 Pearson Education, Inc. A bond formed from the attraction between ions of opposite charge is called a(n) a. ionic bond. b. covalent bond. c. peptide bond. d. hydrogen bond. Topic 2: Chemical Bonds $300 Answer BACK TO GAME

18. © 2013 Pearson Education, Inc. Topic 2: Chemical Bonds $400 Question BACK TO GAME ANSWER A molecule that contains at least two different kinds of atoms is called a a. mixture. b. compound. c. solvent. d. solute.

19. © 2013 Pearson Education, Inc. Topic 2: Chemical Bonds $400 Answer BACK TO GAME A molecule that contains at least two different kinds of atoms is called a a. mixture. b. compound. c. solvent. d. solute.

20. © 2013 Pearson Education, Inc. Topic 2: Chemical Bonds $500 Question Which of the following is formed by the sharing of electrons? a. compound b. ionic bond c. hydrogen bond d. covalent bond BACK TO GAME ANSWER

21. © 2013 Pearson Education, Inc. Topic 2: Chemical Bonds $500 Answer Which of the following is formed by the sharing of electrons? a. compound b. ionic bond c. hydrogen bond d. covalent bond BACK TO GAME

22. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $100 Question Water has an unequal distribution of charges and is called a(n) a. ionic molecule. b. polar molecule. c. covalent molecule. d. organic molecule. BACK TO GAME ANSWER

23. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $100 Answer Water has an unequal distribution of charges and is called a(n) a. ionic molecule. b. polar molecule. c. covalent molecule. d. organic molecule. BACK TO GAME

24. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $200 Question Inorganic compounds are characterized by all of the following EXCEPT molecules that a. are usually small. b. are structurally simple. c. contain carbon. d. include salts, acids, and bases BACK TO GAME ANSWER

25. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $200 Answer Inorganic compounds are characterized by all of the following EXCEPT molecules that a. are usually small. b. are structurally simple. c. contain carbon. d. include salts, acids, and bases BACK TO GAME

26. © 2013 Pearson Education, Inc. A compound that helps keep the pH from changing drastically is a. a buffer. b. an acid. c. water. d. a base. Topic 3: Inorganic Compounds $300 Question BACK TO GAME ANSWER

27. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $300 Answer A compound that helps keep the pH from changing drastically is a. a buffer. b. an acid. c. water. d. a base. BACK TO GAME

28. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $400 Question Most microbes grow best at a pH from a. 5.0 to 6.5. b. 6.5 to 8.5. c. 8.5 to 10.0. d. 4.0 to 6.0. BACK TO GAME ANSWER

29. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $400 Answer BACK TO GAME Most microbes grow best at a pH from a. 5.0 to 6.5. b. 6.5 to 8.5. c. 8.5 to 10.0. d. 4.0 to 6.0.

30. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $500 Question Which type of bond exists between adjacent molecules of water? a. ionic bond b. covalent bond c. hydrogen bond d. peptide bond BACK TO GAME ANSWER

31. © 2013 Pearson Education, Inc. Topic 3: Inorganic Compounds $500 Answer Which type of bond exists between adjacent molecules of water? a. ionic bond b. covalent bond c. hydrogen bond d. peptide bond BACK TO GAME

32. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $100 Question Sucrose can be hydrolyzed into a. dextrans. b. two glucoses. c. glucose and galactose. d. glucose and fructose. BACK TO GAME ANSWER

33. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $100 Answer Sucrose can be hydrolyzed into a. dextrans. b. two glucoses. c. glucose and galactose. d. glucose and fructose. BACK TO GAME

34. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $200 Question What type of chemical reaction breaks bonds and then forms new bonds? a. exchange reactions b. synthesis reactions c. decomposition reactions d. reversible reactions ANSWER BACK TO GAME

35. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $200 Answer What type of chemical reaction breaks bonds and then forms new bonds? a. exchange reactions b. synthesis reactions c. decomposition reactions d. reversible reactions BACK TO GAME

36. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $300 Question Endergonic reactions ALWAYS a.combine molecules to form new and larger molecules. b.are reversible. c.absorb more energy than they release. d.break down molecules into smaller parts. BACK TO GAME ANSWER

37. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $300 Answer Endergonic reactions ALWAYS a.combine molecules to form new and larger molecules. b.are reversible. c.absorb more energy than they release. d.break down molecules into smaller parts. BACK TO GAME

38. © 2013 Pearson Education, Inc. In a synthesis reaction, a.a larger molecule is broken down into its component molecules, ions, or atoms. b.two molecules are decomposed, and their subunits are used to synthesize two new molecules. c.the products can readily revert to form the original reactants. d.atoms, ions, or molecules are combined to form a larger molecule. Topic 4: Chemical Reactions $400 Question BACK TO GAME ANSWER

39. © 2013 Pearson Education, Inc. Topic 4: Chemical Reactions $400 Answer In a synthesis reaction, a.a larger molecule is broken down into its component molecules, ions, or atoms. b.two molecules are decomposed, and their subunits are used to synthesize two new molecules. c.the products can readily revert to form the original reactants. d.atoms, ions, or molecules are combined to form a larger molecule. BACK TO GAME

40. © 2013 Pearson Education, Inc. In a decomposition reaction, a.a larger molecule is broken down into its component molecules, ions, or atoms. b.two molecules are decomposed, and their subunits are used to synthesize two new molecules. c.the products can readily revert to form the original reactants. d.atoms, ions, or molecules are combined to form a larger molecule. Topic 4: Chemical Reactions $500 Question BACK TO GAME ANSWER

41. © 2013 Pearson Education, Inc. In a decomposition reaction, a.a larger molecule is broken down into its component molecules, ions, or atoms. b.two molecules are decomposed, and their subunits are used to synthesize two new molecules. c.the products can readily revert to form the original reactants. d.atoms, ions, or molecules are combined to form a larger molecule. Topic 4: Chemical Reactions $500 Answer BACK TO GAME

42. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $100 Question Which of the following are the “building blocks” of proteins? a. amino acids b. fatty acids c. peptides d. nucleotides BACK TO GAME ANSWER

43. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $100 Answer Which of the following are the “building blocks” of proteins? a. amino acids b. fatty acids c. peptides d. nucleotides BACK TO GAME

44. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $200 Question Which of the following are purines? a. adenine and guanine b. cytosine and uracil c. guanine and cytosine d. adenine and thymine BACK TO GAME ANSWER

45. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $200 Answer Which of the following are purines? a. adenine and guanine b. cytosine and uracil c. guanine and cytosine d. adenine and thymine BACK TO GAME

46. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $300 Question Which of the following nitrogenous bases is NOT found in an RNA molecule? a. adenine b. guanine c. thymine d. uracil BACK TO GAME ANSWER

47. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $300 Answer BACK TO GAME Which of the following nitrogenous bases is NOT found in an RNA molecule? a. adenine b. guanine c. thymine d. uracil

48. © 2013 Pearson Education, Inc. Why do saturated fats become solid more easily than unsaturated fats? a.The double bonds create kinks in the chain. b.The H atoms on either side of the double bond are on the same side. c.The H atoms on either side of the double bond are on opposite sides. d.They are straight chains and pack more tightly together. Topic 5: Organic Compounds $400 Question BACK TO GAME ANSWER

49. © 2013 Pearson Education, Inc. Why do saturated fats become solid more easily than unsaturated fats? a.The double bonds create kinks in the chain. b.The H atoms on either side of the double bond are on the same side. c.The H atoms on either side of the double bond are on opposite sides. d.They are straight chains and pack more tightly together. Topic 5: Organic Compounds $400 Answer BACK TO GAME

50. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $500 Question Glucose, sucrose, and cellulose are examples of a. carbohydrates. b. disaccharides. c. polysaccharides. d. polypeptides. BACK TO GAME ANSWER

51. © 2013 Pearson Education, Inc. Topic 5: Organic Compounds $500 Answer Glucose, sucrose, and cellulose are examples of a. carbohydrates. b. disaccharides. c. polysaccharides. d. polypeptides. BACK TO GAME

52. © 2013 Pearson Education, Inc. FINAL ROUND Question Which level of protein structure refers to the overall three-dimensional structure of a polypeptide chain? a. primary structure b. secondary structure c. tertiary structure d. quaternary structure BACK TO GAME ANSWER

53. © 2013 Pearson Education, Inc. FINAL ROUND Answer Which level of protein structure refers to the overall three-dimensional structure of a polypeptide chain? a. primary structure b. secondary structure c. tertiary structure d. quaternary structure BACK TO GAME