CHAPTER

Language of Chemistry 6

Section 6.1 Classification of Compounds

2. Compound Classification Compound Classification (a) NH3 binary molecular (b) Fe2O3 binary ionic (c) BaSO4 ternary ionic (d) H2SO4(aq) ternary acid

4. Ion Classification Ion Classification + 2+ (a) NH4 polyatomic cation (b) Sr monoatomic cation 2– 2– (c) S monoatomic anion (d) SO4 polyatomic anion

Section 6.2 Monoatomic Ions

6. Monoatomic Cation Stock System Name (a) Ba2+ barium ion (b) Zn2+ zinc ion (c) Co3+ cobalt(III) ion (d) Cu+ copper(I) ion

8. Monoatomic Cation Chemical Formula (a) lithium ion Li+ (b) silver ion Ag+ (c) iron(III) ion Fe3+ (d) tin(IV) ion Sn4+

10. Monoatomic Cation Latin System Name (a) Cu+ cuprous ion (b) Fe3+ ferric ion (c) Sn4+ stannic ion (d) Pb4+ plumbic ion

2014 © Pearson Education, Inc. Language of Chemistry 33 12. Monoatomic Cation Chemical Formula 2+ (a) mercurous ion Hg2 (b) mercuric ion Hg2+

14. Monoatomic Anion Systematic Name (a) O2– oxide ion (b) S2– sulfide ion (c) N3– nitride ion (d) P3– phosphide ion

Section 6.3 Polyatomic Ions

16. Oxyanion Systematic Name 2– (a) CO3 carbonate ion – (b) HCO3 hydrogen carbonate ion 2– (c) SO4 sulfate ion – (d) HSO4 hydrogen sulfate ion

18. Polyatomic Ion Chemical Formula – (a) chlorate ion ClO3 – (b) perchlorate ion ClO4 – (c) permanganate ion MnO4 – (d) acetate ion C2H3O2

Section 6.4 Writing Chemical Formulas

20. Constituent Ions Chemical Formula (a) Li+ + Cl– LiCl + 2– (b) 2 Ag + O Ag2O 3+ – (c) Cr + 3 I CrI3 2+ 3– (d) 3 Sn + 2 N Sn3N2

22. Constituent Ions Chemical Formula 3+ – (a) Fe + 3 HCO3 Fe(HCO3)3 + 2– (b) 2 Cu + CO3 Cu2CO3 2+ – (c) Hg + 2 CN Hg(CN)2 4+ – (d) Sn + 4 C2H3O2 Sn(C2H3O2)4

24. Constituent Ions Chemical Formula 4+ 2– (a) Pb + 2 SO4 Pb(SO4)2 2+ – (b) Sn + 2 ClO2 Sn(ClO2)2 2+ – (c) Co + 2 OH Co(OH)2 2+ 3– (d) 3 Hg2 + 2 PO4 (Hg2)3(PO4)2

34 Chapter 6 2014 © Pearson Education, Inc. Section 6.5 Binary Ionic Compounds 26. Binary Ionic Compound Stock System Name (a) LiBr lithium bromide (b) SrI2 strontium iodide (c) Na3N sodium nitride (d) AlF3 aluminum fluoride

28. Binary Ionic Compound Stock System Name (a) MnCl2 manganese(II) chloride (b) NiF2 nickel(II) fluoride (c) SnBr2 tin(II) bromide (d) CrP chromium(III) phosphide

30. Binary Ionic Compound Chemical Formula (a) cuprous sulfide Cu2S (b) ferrous phosphide Fe3P2 (c) mercuric iodide HgI2 (d) plumbic oxide PbO2

32. Binary Ionic Compound Chemical Formula (a) beryllium oxide BeO (b) calcium selenide CaSe

34. Binary Ionic Compound Chemical Formula (a) zirconium oxide ZrO2 (b) titanium sulfide TiS2

Section 6.6 Ternary Ionic Compounds 36. Ternary Ionic Compound Stock System Name (a) KClO3 potassium chlorate (b) Mg(NO3)2 magnesium nitrate (c) Ag2SO4 silver sulfate (d) Al2(CrO4)3 aluminum chromate

38. Ternary Ionic Compound Latin System Name (a) Cu2SO4 cuprous sulfate (b) Fe2(CrO4)3 ferric chromate (c) Hg2(NO2)2 mercurous nitrite (d) Pb(C2H3O2)4 plumbic acetate

40. Ternary Ionic Compound Chemical Formula (a) cuprous chlorite CuClO2 (b) plumbic sulfite Pb(SO3)2 (c) mercuric chlorate Hg(ClO3)2 (d) ferrous chromate FeCrO4

2014 © Pearson Education, Inc. Language of Chemistry 35 42. Ternary Ionic Compound Chemical Formula (a) lanthanum nitrate La(NO3)3 (b) scandium nitrite Sc(NO2)3

44. Ternary Ionic Compound Chemical Formula (a) cobalt(III) sulfate Co2(SO4)3 (b) iron(III) selenate Fe2(SeO4)3

Section 6.7 Binary Molecular Compounds

46. Binary Molecular Compound Systematic Name (a) BrCl bromine monochloride (b) SF6 sulfur hexafluoride (c) I4O9 tetraiodine nonaoxide (d) Cl2O7 dichlorine heptaoxide

48. Binary Molecular Compound Chemical Formula (a) chlorine dioxide ClO2 (b) sulfur tetrafluoride SF4 (c) iodine monochloride ICl (d) nitrogen monoxide NO

Section 6.8 Binary Acids

50. Binary Acid Chemical Formula (a) hydrosulfuric acid H2S(aq) (b) hydroselenic acid H2Se(aq)

Section 6.9 Ternary Oxyacids

52. Ternary Oxyacid Systematic Name (a) HClO4(aq) perchloric acid (b) H2SO3(aq) sulfurous acid

54. Systematic Name Ternary Oxyacid (a) carbonic acid H2CO3(aq) (b) nitrous acid HNO2(aq)

56. Systematic Name Ternary Oxyacid (a) arsenic acid H3AsO4(aq) (b) phosphorus acid H3PO3(aq)

36 Chapter 6 2014 © Pearson Education, Inc. General Exercises

58. Substance Ionic Charge (a) chlorine gas molecules 0 (b) chloride ions 1– (c) hypochlorite ions 1– (d) chlorine compounds 0

(Note: The total ionic charge on a compound is zero.)

60. Polyatomic Anion Valence Electrons (a) SCN?– 6 + 4 + 5 = 15 e– (thus, 1–) ?– – (b) S2O3 2(6) + 3(6) = 30 e (thus, 2–)

(Note: The polyatomic anion with a charge of 1– is SCN– because the total of the valence electrons is an odd number (15).

62. IONS fluoride ion oxide ion nitride ion

copper(II) CuF2 CuO Cu3N2 copper(II) oxide ion copper(II) fluoride copper(II) nitride

cobalt(II) CoF2 CoO Co3N2 ion cobalt(II) fluoride cobalt(II) oxide cobalt(II) nitride

lead(II) PbF2 PbO Pb3N2 ion lead(II) fluoride lead(II) oxide lead(II) nitride

64. IONS cyanide ion sulfite ion permanganate ion

mercuric Hg(CN)2 HgSO3 Hg(MnO4)2 ion mercuric cyanide mercuric sulfite mercuric permanganate

ferric Fe(CN)3 Fe2(SO3)3 Fe(MnO4)3 ion ferric cyanide ferric sulfite ferric permanganate

stannic Sn(CN)4 Sn(SO3)2 Sn(MnO4)4 ion stannic cyanide stannic sulfite stannic permanganate

2014 © Pearson Education, Inc. Language of Chemistry 37 66. Compound Suffix Ending Binary Acid Suffix Ending (a) NaI –ide (b) HI(aq) –ic acid

68. Compound Suffix Ending Ternary Oxyacid Suffix Ending (a) NaIO2 –ite (b) HIO2(aq) –ous acid

70. Compound Suffix Ending Ternary Oxyacid Suffix Ending (a) NaIO3 –ate (b) HIO3(aq) –ic acid

72. Chemical Name Chemical Formula (a) acetic acid HC2H3O2(aq) (b) aqueous nitrogen trihydride NH3(aq) (c) aqueous magnesium hydroxide Mg(OH)2(aq) (d) aqueous sodium bisulfate NaHSO4(aq)

74. Binary Compound Chemical Formula (a) boron tribromide BBr3 (b) trisilicon tetranitride Si3N4 (c) diarsenic trioxide As2O3 (d) diantimony pentaoxide Sb2O5

76. Given Formula Predicted Formula TiSiO4 ZrSiO4

Challenge Exercises

78. Given Formula Predicted Formula LuCl3 LwCl3

Online Exercises

80. Manganese is an enzyme cofactor that is essential for speeding up chemical reactions that regulate metabolism. The human body contains about 12 mg of manganese, which is stored in bones, the liver, kidneys, and the brain.

38 Chapter 6 2014 © Pearson Education, Inc.