1. Chemical Reaction 1 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? 2Na + Cl 2  2NaCl

5. NaCl

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

7. 2H 2 O + 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 mass before the reaction is _______ to the mass after the reaction

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. Activating a chemical hand warmer is an example of an _________ reaction.

19. Exothermic

20. Activating an instant cold pack is an example of an ________reaction

21. endothermic

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

23. Loses, gains

24. Elements in group 1 on the periodic table would most likely bond with elements in which groups

25. 5, 6, or 7

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. _______ Electrons may be lost or gained by an atom during bonding.

31. Valence

32. According to the periodic table, Iodine (I) will have chemical properties similar to which other elements?

33. Any group 17 (7a) elements

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 does oxygen’s atomic number stand for?

45. # of protons in the nucleus

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. Carbon-14, Carbon-13 and Carbon-12 are an example of ________.

53. Isotopes

54. Is Gallium (Ga) an example of a non-metal.

55. No it is a metal

56. Is Neon an example of a Noble Gas?

57. Yes

58. DAILY DOUBLE _______. O 2- is an example of a(n)

59. anion

60. NaCl is an example of a _________.

61. Ionic Compound