KEY Formulas Equations 2

17. In a sample of solid Al(NO3)3, the ratio of aluminum ions to nitrate ions is
(1) 1:1
(2) 1:2
(3) 1:3
(4) 1:6
19. What is the total number of atoms in (NH4)2SO4?
(1) 10
(2) 11
(3) 14
(4) 15
22. Write the correct formula for the following binary ionic compounds.
(a) Lithium fluoride LiF
(b) Calcium oxide CaO
(c) Aluminum nitride AlN
(d) Beryllium chloride BeCl2
(e) Potassium iodide KI
(f) Aluminum oxide Al2O3
23. Write the correct formula for the following binary molecular compounds.
(a) Carbon monoxide CO
(b) Boron tribromide BBr3
(c) Sulfur hexafluoride SF6
(d) Carbon dioxide CO2
(e) Carbon tetrabromide CBr4
(f) Nitrogen dioxide NO2
24. Write the correct formulas for the following compounds that contain polyatomic ions.
(a) Sodium hydroxide NaOH
(b) Potassium nitrate KNO3
(c) Magnesium sulfate MgSO4
(d) Aluminum phosphate AlPO4
(e) Aluminum nitrate Al(NO3)3
(f) Ammonium nitrate NH4NO3
25. Name each of the following binary ionic compounds.
(a) NaBr sodium bromide
(b) MgS magnesium sulfide
(c) CaO calcium oxide
(d) MgCl2 magnesium chloride
(e) AlF3 aluminum fluoride
(f) CaI2 calcium iodide
26. Name each of the following binary molecular compounds.
(a) O2F2 dioxygen difluoride
(b) SiF4 silicon tetrafluoride
(c) S4N4 tetrasulfur tetranitride
(d) SF2 sulfur difluoride
(e) H2S dihydrogen monosulfide
(f) P4O10 tetraphosphorus decaoxide

27. Name each of the following compounds.
(a) Ca(NO3)2 calcium nitrate
(b) KOH potassium hydroxide
(c) MgCO3 magnesium carbonate
(d) Na3PO4 sodium phosphate
(e) LiNO3 lithium nitrate
(f) Mg(C2H3O2)2 magnesium acetate
28. Write formulas for each of the following compounds.
(a) iron(II) oxide FeO
(b) tin(II) sulfide SnS
(c) copper(I) chloride CuCl
(d) mercury(II) iodide HgI2
(e) lead(II) nitrate Pb(NO3)2
(f) iron(III) oxide Fe2O3
29. Write the names of each of the following using stock nomenclature.
(a) CuCl copper(I) chloride
(b) FeS iron(II) sulfide
(c) HgI2 mercury(II) iodide
(d) Pb(NO3)2 lead(II) nitrate
(e) Sn(OH)2 tin(II) hydroxide
(f) Fe2O3 iron(III) oxide