1. 1. PbS

2. Lead (II) Sulfate Don’t forget to look for metals that need Roman numerals (d-block minus Ag +1, Zn +2, Cd +2, add in Sn, Sb, and Pb)

3. 2. HClO 3

4. Hydrogen Chlorate

5. 3. HF

6. Hydrogen Fluoride or Hydrofluoric acid

7. 4. Zn(OH) 2

8. Zinc hydroxide

9. 5. HBr

10. Hydrogen Bromide or Hydrobromic acid

11. 6. sulfur hexafluoride

12. SF 6

13. 7. Hydrogen nitrate

14. HNO 3

15. 8. hydrogen chloride

16. HCl

17. 9. lead(II) chloride

18. PbCl 2

19. 10. zinc sulfate

20. ZnSO 4

21. 11. (NH 4 ) 2 CO 3

22. Ammonium carbonate

23. 12. Cr 2 (SO 3 ) 3

24. Chromium (III) Sulfate

25. 13. NiSO 4

26. Nickel (II) Sulfate

27. 14. H 2 S

28. Hydrogen Sulfide

29. 15. SO 3

30. Sulfur trioxide

31. 16. hydrochloric acid

32. HCl

33. 17. aluminum oxide

34. Al 2 O 3

35. 18. dinitrogen trioxide

36. N 2 O 3

37. 19. sulfuric acid

38. H 2 SO 4

39. 20. Mercury (II) oxide

40. HgO

41. 21. Fe 3 N 2

42. Iron (II) Nitride

43. 22. P 4 O 10

44. Tetraphosphorus Decaoxide

45. 23. Cu 2 O

46. Copper (I) Oxide

47. 24. HClO

48. Hydrogen Chlorate

49. 25. K 2 O

50. Potassium Oxide

51. 26. Copper (II) sulfate

52. CuSO 4

53. 27. carbon monoxide

54. CO

55. 28. magnesium sulfide

56. MgS

57. 29. potassium chlorate For more lessons, visit www.chalkbored.com www.chalkbored.com

58. KClO 3

59. 30. hydroiodic acid

60. HI

61. 31. NiCl 3

62. Nickel (III) Chloride

63. 32. Pb(CO 3 ) 2

64. Lead (IV) Carbonate

65. 33. KHSO 3

66. Potassium Hydrogen Sulfite or Potassium Bisulfite

67. 34. Na 3 BO 3

68. Sodium Peroxyborate

69. 35. BaSO 3

70. Barium Sulfate

71. 36. Tin (II) chloride

72. SnCl 2

73. 37. calcium phosphate

74. Ca 3 PO 4

75. 38. hydrogen sulfide

76. H 2 S

77. 39. lithium peroxide

78. Li 2 O 2

79. 40. manganese (II) nitrite

80. Mn(NO 2 ) 2

81. 41. Hg 3 (PO 4 ) 2

82. Mercury (II) Phosphate

83. 42. NaHCO 3

84. Sodium Hydrogen Carbonate or Sodium Bicarbonate

85. 43. CuHSO 4

86. Copper (I) Hydrogen Sulfate or Copper (I) Bisulfate

87. 44. CCl 4

88. Copper Tetrachloride

89. 45. (NH 4 ) 3 PO 4

90. Ammonium Phosphate

91. 46. sulfur dioxide

92. SO 3

93. 47. magnesium sulfate

94. MgSO 4

95. 48. Hydrogen acetate

96. HC 2 H 3 O 2

97. 49. diphosphorus trioxide

98. P 2 O 3

99. 50. phosphoric acid

100. H 3 PO 4