1. Chemical Reaction Types of Reaction BondingPeriodic Table AtomsGeneral Chem 100 200 300 400 500

2. What are the reactants in the following reaction? CH 4 + O 2  H 2 O + CO 2

3. CH 4 + O 2

4. What are the products in the following reaction? CH 4 + O 2  H 2 O + CO 2

5. H 2 O + CO 2

6. DAILY DOUBLE Balance the following chemical equation: H 2 + O 2  H 2 O

7. 2H 2 + O 2  2H 2 O

8. Balance the following chemical reaction: Fe + O 2  Fe 2 O 3

9. 4Fe + 3O 2  2Fe 2 O 3

10. When a chemical reaction occurs in a closed system, the reactants and products have _______ mass.

11. equal

12. Classify the following reaction: Cu(NO 3 ) 2 + 2NaOH  Cu(OH) 2 + 2NaNO3

13. Double-Replacement

14. Classify the following reaction: Cu(OH) 2  CuO + H 2 O

15. Decomposition

16. Classify the following reaction: 3CuSO 4 + 2Al  Al 2 (SO 4 ) 3 + 3Cu

17. Single-Replacement

18. True/False: Activating a chemical hand warmer is an example of an exothermic reaction.

19. True

20. True/False: Activating an instant cold pack is an example of an endothermic reaction

21. True

22. Sodium forms an ionic bond with chlorine when sodium _____ an electron and chlorine _____ an electron.

23. Loses, gains

24. True/False: Elements in group 1 (1 valence electron) on the periodic table would most likely bond with elements in group 17 (7 valence electrons).

25. True

26. Covalent bonding occurs when electrons are ________ between two atoms.

27. shared

28. Atoms that gain or lose electrons are know as ________.

29. ions

30. True/False: Valence Electrons may be lost or gained by an atom during bonding.

31. True

32. According to the periodic table, will Iodine (I) have chemical properties similar to Chlorine (Cl)?

33. Yes

34. Why do the noble gases, such as neon and krypton, not react to form compounds?

35. They already have 8 valence electrons.

36. Elements in the same column on the periodic table have similar reactivity because they have the same number of _____ ____.

37. Valence electrons

38. According to the periodic table, in which period is krypton located?

39. Period 4

40. An atom of nitrogen has how many total electrons?

41. 7

42. This kind of particle carries a negative charge and has almost no mass.

43. An electron

44. What is oxygen’s atomic number?

45. 8

46. How many protons does an atom of copper have?

47. 29

48. How many neutrons does an atom of Aluminum-27 have? (Mass number 27)

49. 14

50. How many electrons does a neutral atom of Lithium have?

51. 3

52. True/False: Carbon-14 is an example of an isotope.

53. True

54. True/False: Fluorine is an example of a non-metal.

55. True

56. Is Neon an example of a Noble Gas?

57. Yes

58. DAILY DOUBLE O 2 - is an example of an _______.

59. Ion

60. NaCl is an example of a _________. (compound or mixture)

61. Compound

62. DAILY DOUBLE