Practice Problems

Name the following compounds:

1. NaNO₃
2. KI
3. BaCl₂
4. PCl₃
5. ZnSO₄
6. Al₂O₃
7. CaCO₃
8. (NH₄)₃PO₄
9. H₂SO₄ (acid name)
10. CuCl₂
11. CsBr
12. Fe(ClO₄)₃
13. H₂S (molecular name)
14. H₂S (acid name)
15. Na₂CrO₄
16. FeS
17. P₄O₁₀
18. HC₂H₃O₂ or CH₃COOH (acid name)
19. CuNO₂
20. HClO₃ (acid name)
21. CrF₃
22. NaCN
23. NiSO₃
24. H₃PO₄ (acid name)
25. AgNO₃
26. Mg₃N₂
27. K₂Cr₂O₇
28. AuBr₃
29. (NH₄)C₂H₃O₂
30. HgO
31. HBrO₄ (acid name)
32. Na₂SeO₄
33. CdS
34. MnO₂
35. Hg₂Cl₂
36. Sr₃(PO₃)₂
37. HClO (acid name)
38. HNO₂ (acid name)
39. WCl₅
40. SnBr₂
41. PbCl₄
42. TiO₂
43. XeF₄
44. KMnO₄
45. HIO₄ (acid name)
46. HBr (molecular name)
47. HBr (acid name)
48. SF₆
49. LiHCO₃
50. SiCl₄


Write the formula of the following compounds:

51. sulfur trioxide
52. oxygen (as found in our atmosphere)
53. sodium chlorite
54. iron(II) nitrate
55. potassium hydroxide
56. lithium sulfite
57. arsenic acid
58. antimony(III) bromide or antimony tribromide
59. oxygen difluoride
60. hydroiodic acid
61. copper(II) arsenide or cupric arsenide
62. zinc hydroxide
63. hydrogen peroxide
64. ammonium sulfide
65. cobalt(III) iodide or cobaltic iodide
66. iron(III) phosphate or ferric phosphate
67. hydrocyanic acid
68. calcium hypochlorite
69. sodium dihydrogenphosphate
70. carbon monoxide
71. hydrogen (in its normal state)
72. nickel(II) chloride hexahydrate
73. aluminum sulfate
74. tin(IV) bromide or stannic bromide
75. sodium hypophosphite
76. magnesium selenate
77. sodium hydride
78. chromium(II) oxalate or chromous oxalate
79. sulfurous acid
80. dinitrogen tetroxide
81. manganese(II) acetate
82. sodium hydrosulfide
83. gallium(III) bromide
84. nitric acid
85. methane
86. ammonia
87. boron nitride
88. silver carbonate
89. aluminum sulfide
90. lead(IV) oxide or plumbic oxide
91. iodine (in its normal state)
92. sulfur (in its normal state)
93. barium chromate
94. perchloric acid
95. bromine trifluoride
96. helium
97. copper(I) acetate or cuprous acetate
98. vanadium(III) bromide
99. osmium(II) sulfite
100. selenious acid

Answers

1. sodium nitrate
2. potassium iodide
3. barium chloride
4. phosphorus trichloride
5. zinc sulfate
6. aluminum oxide
7. calcium carbonate
8. ammonium phosphate
9. sulfuric acid
10. copper(II) chloride or cupric chloride
11. cesium bromide
12. iron(III) perchlorate or ferric perchlorate
13. dihydrogen sulfide (or simply hydrogen sulfide)
14. hydrosulfuric acid
15. sodium chromate
16. iron(II) sulfide or ferrous sulfide
17. tetraphosphorus decoxide
18. acetic acid (or ethanoic acid)
19. copper(I) nitrite or cuprous nitrite
20. chloric acid
21. chromium(III) fluoride or chromic fluoride
22. sodium cyanide
23. nickel(II) sulfite or nickelous sulfite or simply nickel sulfite
24. phosphoric acid
25. silver nitrate
26. magnesium nitride
27. potassium dichromate
28. gold(III) bromide or auric bromide
29. ammonium acetate
30. mercury(II) oxide or mercuric oxide
31. perbromic acid
32. sodium selenate
33. cadmium sulfide
34. manganese(IV) oxide (usually called manganese dioxide)
35. mercury(I) chloride or mercurous chloride
36. strontium phosphite
37. hypochlorous acid
38. nitrous acid
39. tungsten(V) chloride (also called tungsten pentachloride)
40. tin(II) bromide or stannous bromide
41. lead(IV) chloride or plumbic chloride
42. titanium(IV) oxide (commonly called titanium dioxide)
43. xenon tetrafluoride
44. potassium permanganate
45. periodic acid
46. hydrogen bromide
47. hydrobromic acid
48. sulfur hexafluoride
49. lithium hydrogencarbonate or lithium bicarbonate
50. silicon tetrachloride


51. SO₃
52. O₂ (also called dioxygen)
53. NaClO₂
54. Fe(NO₃)₂
55. KOH
56. Li₂SO₃
57. H₃AsO₄ (compare to phosphoric acid)
58. SbBr₃
59. OF₂
60. HI
61. Cu₃As₂
62. Zn(OH)₂
63. H₂O₂
64. (NH₄)₂S
65. CoI₃
66. FePO₄
67. HCN
68. Ca(ClO)₂
69. NaH₂PO₄
70. CO
71. H₂
72. NiCl₂ �?6 H₂O
73. Al₂(SO₄)₃
74. SnBr₄
75. Na₃PO₂
76. MgSeO₄ (compare to magnesium sulfate)
77. NaH
78. CrC₂O₄
79. H₂SO₃
80. N₂O₄
81. Mn(C₂H₃O₂)₂
82. NaHS
83. GaBr₃
84. HNO₃
85. CH₄
86. NH₃
87. BN
88. Ag₂CO₃
89. Al₂S₃
90. PbO₂
91. I₂
92. S₈
93. BaCrO₄
94. HClO₄
95. BrF₃
96. He
97. CuC₂H₃O₂
98. VBr₃
99. OsSO₃
100. H₂SeO₃ (compare to sulfurous acid)