Practice Drill: Formulas and Names Write the name for each of the following compounds. 1. CaCO3 calcium carbonate 12. Zn(NO3)2 zinc nitrate 2. FeO iron (II) oxide 13. CuSO4 copper (II) sulfate 3. H2CO3 carbonic acid 14. AlCl3 aluminum chloride 4. AgCl silver chloride 15. NaOH sodium hydroxide 5. Ca3(PO4)2 calcium phosphate 16. PbCl2 lead (II) chloride 6. Ba(OH)2 barium hydroxide 17. KNO3 potassium nitrate 7. Na2S sodium sulfide 18. P2O5 diphosphorous pentoxide 8. FeCl3 iron (III) chloride 19. HClO3 choric acid 9. H2CrO4 chromic acid 20. H2C2O4 oxalic acid 10. (NH4)2SO4 ammonium sulfate 21. HBr hydrobromic acid 11. H2SO4 sulfuric acid 22. SO3 sulfur trioxide Write the chemical formula for each of the following compounds. 23. sodium nitrite NaNO2 24. iron (III) oxide Fe2O3 25. aluminum hydroxide Al(OH)3 26. ammonium hydroxide NH4OH 27. magnesium chloride MgCl2 28. hydrochloric acid HCl 29. copper (I) sulfide Cu2S 30. potassium phosphide K3P 31. zinc oxide ZnO 32. barium sulfite BaSO3 33. carbon monoxide CO 34. silver sulfide Ag2S 35. nitrous acid HNO2 36. calcium phosphate Ca3(PO4)2 37. copper (II) nitrate Cu(NO3)2 38. sodium peroxide Na2O2 39. aluminum oxide Al2O3 40. barium nitride Ba3N2 41. lead (II) sulfate PbSO4 42. hypochlorous acid HClO 43. dinitrogen pentoxide N2O5 44. cadmium chloride CdCl2 45. arsenic tribromide AsBr3 Write the name for each of the following compounds. 46. NH4NO2 ammonium nitrite 47. Ca(HCO3)2 calcium bicarbonate 48. Ba(ClO4)2 barium perchlorate 49. Hg2I2 mercury (I) iodide 50. KCN potassium cyanide 51. PbO2 lead (IV) oxide 52. K2S2O3 potassium thiosulfate 53. Zn(C2H3O2)2 zinc acetate 54. K2SO4 potassium sulfate 55. Hg(OH)2 mercury (II) hydroxide 56. K2SO3 potassium sulfite 57. Cu2S copper (I) sulfide Write the chemical formula for each of the following compounds. 70. mercury (I) cyanide Hg2(CN)2 71. hydrosulfuric acid H2S 72. iron (II) acetate Fe(C2H3O2)2 73. potassium chlorate KClO3 74. lead (II) fluoride PbF2 75. bromic acid HBrO3 76. ammonium oxalate (NH4)2C2O4 77. mercury (II) chromate HgCrO4 78. silver phosphate Ag3PO4 79. potassium dichromate K2Cr2O7 80. tellurium difluoride TeF2 58. KHSO4 potassium hydrogen sulfate 59. ZnBr2 zinc bromide 60. SbCl3 antimony trichloride 61. Fe3(CrO4)2 iron (III) chromate 62. Mg3N2 magnesium nitride 63. SnS tin (II) sulfide 64. N2O5 dinitrogen pentoxide 65. H2SO3 sulfurous acid 66. H3P hydrophosphoric acid 67. KMnO4 potassium permanganate 68. HC2H3O2 acetic acid 69. CdCr2O7 cadmium dichromate 81. hydrogen peroxide H2O2 82. copper (II) bromide CuBr2 83. ammonium sulfide (NH4)2S 84. calcium nitrite Ca(NO2)2 85. zinc hydroxide Zn(OH)2 84. sodium bicarbonate NaHCO3 85. lead (IV) oxide PbO2 86. potassium perchlorate KClO4 87. iron (III) cyanide Fe(CN)3 88. diphosphorous trioxide P2O3 89. phosphorous acid H3PO3 90. nitrogen dioxide NO2