<p> BLM 2-3, Chemical Names and Formulas/Reinforcement</p><p>Goal: Students practise naming and writing formulas for different substances.</p><p>Answers Answers are in boldface.</p><p>Chemical Ionic or Chemical Ionic or formula molecular? Name of compound formula molecular? Name of compound</p><p>NH4Cl ionic ammonium chloride AgCH3COO ionic silver acetate</p><p>K2S ionic potassium sulfide CaCrO4 ionic calcium chromate</p><p>CI4 molecular carbon tetraiodide N2O5 molecular dinitrogen pentaoxide</p><p>CaO ionic calcium oxide Fe2(CO3)3 ionic iron (III) carbonate</p><p>NH4Cl ionic ammonium chloride HgS ionic mercury(II) sulfide</p><p>Li3N ionic lithium nitride AgHSO4 ionic silver hydrogen sulfate</p><p>Mg(OH)2 ionic magnesium hydroxide KMnO4 ionic potassium permanganate</p><p>ZnO ionic zinc oxide Mg(OH)2 ionic magnesium hydroxide</p><p>CuNO3 ionic copper(I) nitride AlPO4 ionic aluminum phosphate</p><p>SiO2 molecular silicon dioxide CS2 molecular carbon disulfide</p><p>OCl2 molecular oxygen dichloride K2SO4 ionic potassium sulfate</p><p>CuCl ionic copper(I) chloride SnF2 molecular tin(II) fluoride</p><p>FeCl2 ionic iron(II) chloride K2Cr2O7 ionic potassium dichromate CaS ionic calcium sulfide HgS ionic mercury(II) sulfide</p><p>Ca(HCO3)2 ionic calcium hydrogen carbonate Na2B4O7 ionic sodium tetraborate</p><p>P2O5 molecular diphosphorus pentaoxide V2O5 ionic vanadium(V) oxide</p><p>SiBr4 molecular silicon tetrabromide (NH4)2Cr2O7 ionic ammonium dichromate</p><p>Al(BrO3)3 ionic aluminum bromate Bi3(PO4)5 ionic bismuth(V) phosphate</p><p>Ca(HS)2 ionic calcium hydrogen sulfide Na2SiO3 ionic sodium silicate</p><p>NH4NO2 ionic ammonium nitrite Co3(PO4)2 ionic cobalt(II) phosphate </p>