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Polyatomic Ions What is a cation afraid of? Answer: A dogion…

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1 Polyatomic Ions What is a cation afraid of? Answer: A dogion…

2 Many ionic compounds are not binary because one or both ions contain atoms of more than one element. These polyatomic ions consist of two or more different non-metal atoms, which are joined by covalent bonds. There is only one common polyatomic cation: the ammonium ion, NH4+. There are many polyatomic anions. Except for the hydroxide ion, the names of the

3 Common polyatomic ions.
anions end in “-ate” instead of “ide”. Writing formulas is also the same, except that you have to add parentheses when the formula requires more than one polyatomic ion. Common polyatomic ions.

4 ammonium hydroxide carbonate nitrate sulfate hydrogen carbonate
Name (ion) Chemical Formula ammonium hydroxide carbonate nitrate sulfate hydrogen carbonate hydrogen sulfate phosphate

5 ammonium NH4+ hydroxide carbonate nitrate sulfate hydrogen carbonate
Name (ion) Chemical Formula ammonium NH4+ hydroxide carbonate nitrate sulfate hydrogen carbonate hydrogen sulfate phosphate

6 ammonium NH4+ hydroxide OH- carbonate nitrate sulfate
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate nitrate sulfate hydrogen carbonate hydrogen sulfate phosphate

7 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate sulfate
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate sulfate hydrogen carbonate hydrogen sulfate phosphate

8 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate hydrogen carbonate hydrogen sulfate phosphate

9 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42-
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42- hydrogen carbonate hydrogen sulfate phosphate

10 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42-
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42- hydrogen carbonate HCO3- hydrogen sulfate phosphate

11 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42-
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42- hydrogen carbonate HCO3- hydrogen sulfate HSO4- phosphate

12 ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42-
Name (ion) Chemical Formula ammonium NH4+ hydroxide OH- carbonate CO32- nitrate NO3- sulfate SO42- hydrogen carbonate HCO3- hydrogen sulfate HSO4- phosphate PO43-

13 Write the formulas of the following:
ammonium sulfide CuCO3

14 Write the formulas of the following:
ammonium sulfide NH4+ S2- CuCO3

15 Write the formulas of the following:
ammonium sulfide NH4+ S2- (NH4)2S CuCO3

16 Write the formulas of the following:
ammonium sulfide NH4+ S2- (NH4)2S Cu+ CO3- Cu2+ CO32- CuCO3

17 Write the formulas of the following:
ammonium sulfide NH4+ S2- (NH4)2S copper(II) carbonate Cu+ CO3- Cu2+ CO32- CuCO3

18 Write the formulas of the following:
ammonium sulfide NH4+ S2- (NH4)2S copper(II) carbonate or Cu+ CO3- Cu2+ CO32- CuCO3

19 Write the formulas of the following:
ammonium sulfide NH4+ S2- (NH4)2S copper(II) carbonate or cupric carbonate Cu+ CO3- Cu2+ CO32- CuCO3

20

21 Review…

22 Binary Molecular Compounds
Binary molecular compounds consist of covalent bonds between atoms of two different non-metals. The name of a binary molecular compound ends in “ide”, just like the came of a binary ionic compound. The name and the formula usually

23 begin with the element that is more to the left on the periodic table.
3. In the name, use a prefix to specify the number of atoms of each element that are present in a molecule. Some prefixes, and the numbers they represent, are in the table below.

24 Number it represents Prefix 1 2 3 4 5 6

25 Number it represents Prefix 1 mono 2 3 4 5 6

26 Number it represents Prefix 1 mono 2 di 3 4 5 6

27 Number it represents Prefix 1 mono 2 di 3 tri 4 5 6

28 Number it represents Prefix 1 mono 2 di 3 tri 4 tetra 5 6

29 Number it represents Prefix 1 mono 2 di 3 tri 4 tetra 5 penta 6

30 Number it represents Prefix 1 mono 2 di 3 tri 4 tetra 5 penta 6 hexa

31 Naming the Oxides of Nitrogen

32 Formula Systematic Name Common Name NO N2O NO2 N2O3 N2O4 N2O5

33 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide N2O NO2 N2O3 N2O4 N2O5

34 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O NO2 N2O3 N2O4 N2O5

35 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide NO2 N2O3 N2O4 N2O5

36 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 N2O3 N2O4 N2O5

37 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide N2O3 N2O4 N2O5

38 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 N2O4 N2O5

39 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 N2O5

40 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 N2O5

41 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 dinitrogen tetroxide N2O5

42 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 dinitrogen tetroxide N2O5

43 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 dinitrogen tetroxide N2O5 dinitrogen pentoxide

44 NO N2O NO2 N2O3 N2O4 N2O5 Formula Systematic Name Common Name
nitrogen monoxide nitric oxide N2O dinitrogen monoxide nitrous oxide NO2 nitrogen dioxide none N2O3 dinitrogen trioxide N2O4 dinitrogen tetroxide N2O5 dinitrogen pentoxide

45 Write the correct name for each of the following.

46 1. BaCl2 2. LiBr 3. Na2S 4. Rb2O 5. GaF3

47 1. BaCl2 barium chloride 2. LiBr 3. Na2S 4. Rb2O 5. GaF3

48 1. BaCl2 barium chloride 2. LiBr lithium bromide 3. Na2S 4. Rb2O 5. GaF3

49 1. BaCl2 barium chloride 2. LiBr lithium bromide 3. Na2S sodium sulfide 4. Rb2O 5. GaF3

50 1. BaCl2 barium chloride 2. LiBr lithium bromide 3. Na2S sodium sulfide 4. Rb2O rubidium oxide 5. GaF3

51 1. BaCl2 barium chloride 2. LiBr lithium bromide 3. Na2S sodium sulfide 4. Rb2O rubidium oxide 5. GaF3 gallium fluoride

52 6. Al3S2 7. AgI 8. MgS 9. SO2 10. NaBr

53 6. Al3S2 aluminum sulfide 7. AgI 8. MgS 9. SO2 10. NaBr

54 6. Al3S2 aluminum sulfide 7. AgI silver(I) iodide 8. MgS 9. SO2 10. NaBr

55 6. Al3S2 aluminum sulfide 7. AgI silver(I) iodide 8. MgS magnesium sulfide 9. SO2 10. NaBr

56 6. Al3S2 aluminum sulfide 7. AgI silver(I) iodide 8. MgS magnesium sulfide 9. SO2 sulfur dioxide 10. NaBr

57 6. Al3S2 aluminum sulfide 7. AgI silver(I) iodide 8. MgS magnesium sulfide 9. SO2 sulfur dioxide 10. NaBr sodium bromide

58 11. Sn(SO4)2 12. Cu2S 13. NaOH 14. CuSO4

59 11. Sn(SO4)2 Sn2+ (SO4)2- 12. Cu2S 13. NaOH 14. CuSO4

60 11. Sn(SO4)2 Sn2+(SO4)2-  Sn4+(SO4)22- 12. Cu2S 13. NaOH 14. CuSO4

61 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S 13. NaOH 14. CuSO4
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S 13. NaOH 14. CuSO4

62 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH 14. CuSO4
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH 14. CuSO4

63 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH 14. CuSO4
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide 13. NaOH 14. CuSO4

64 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH 14. CuSO4
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH 14. CuSO4

65 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH sodium hydroxide 14. CuSO4

66 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH sodium hydroxide 14. CuSO4 Cu+ SO4-

67 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH sodium hydroxide 14. CuSO4 Cu+ SO4-  Cu2+ SO42-

68 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH sodium hydroxide 14. CuSO4 Cu+ SO4-  Cu2+ SO42- copper(II) sulfate

69 11. Sn(SO4)2 tin(IV) sulfate 12. Cu2S Cu2+ S2- 13. NaOH
Sn2+(SO4)2-  Sn4+(SO4)22- tin(IV) sulfate 12. Cu2S Cu2+ S2- copper(1) sulfide or cuprous sulfide 13. NaOH sodium hydroxide 14. CuSO4 Cu+ SO4-  Cu2+ SO42- copper(II) sulfate or cupric sulfate

70 15. Fe(NO3)2 16. PCl5 17. Cu2SO4 18. Pb(NO3)2

71 15. Fe(NO3)2 Fe2+ NO31- 16. PCl5 17. Cu2SO4 18. Pb(NO3)2

72 15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 17. Cu2SO4 18. Pb(NO3)2

73 phosphorus pentachloride
15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 phosphorus pentachloride 17. Cu2SO4 18. Pb(NO3)2

74 phosphorus pentachloride
15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 phosphorus pentachloride 17. Cu2SO4 Cu1+ SO42- 18. Pb(NO3)2

75 phosphorus pentachloride
15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 phosphorus pentachloride 17. Cu2SO4 Cu1+ SO42- copper(I) sulfate 18. Pb(NO3)2

76 phosphorus pentachloride
15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 phosphorus pentachloride 17. Cu2SO4 Cu1+ SO42- copper(I) sulfate 18. Pb(NO3)2 Pb2+ NO31-

77 phosphorus pentachloride
15. Fe(NO3)2 Fe2+ NO31- iron(II) nitrate 16. PCl5 phosphorus pentachloride 17. Cu2SO4 Cu1+ SO42- copper(I) sulfate 18. Pb(NO3)2 Pb2+ NO31- lead(II) nitrate

78 19. MoCl5 20. NI3 21. Mg(HSO4)2 22. Na3PO4

79 19. MoCl5 Mo5+ Cl1- 20. NI3 21. Mg(HSO4)2 22. Na3PO4

80 molybdenum(V) chloride
19. MoCl5 Mo5+ Cl1- molybdenum(V) chloride 20. NI3 21. Mg(HSO4)2 22. Na3PO4

81 molybdenum(V) chloride
19. MoCl5 Mo5+ Cl1- molybdenum(V) chloride 20. NI3 nitrogen triodide 21. Mg(HSO4)2 22. Na3PO4

82 19. MoCl5 Mo5+ Cl1- 20. NI3 nitrogen triodide 21. Mg(HSO4)2 22. Na3PO4
molybdenum(V) chloride 20. NI3 nitrogen triodide 21. Mg(HSO4)2 magnesium hydrogen sulfate 22. Na3PO4

83 19. MoCl5 Mo5+ Cl1- 20. NI3 nitrogen triodide 21. Mg(HSO4)2 22. Na3PO4
molybdenum(V) chloride 20. NI3 nitrogen triodide 21. Mg(HSO4)2 magnesium hydrogen sulfate 22. Na3PO4 sodium phosphate

84 23. Ca(HCO3)2 24. Pb(NO3)2 25. (NH4)2S 26. Fe(OH)3

85 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 25. (NH4)2S 26. Fe(OH)3

86 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 Pb2+ NO31- 25. (NH4)2S 26. Fe(OH)3

87 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 Pb2+ NO31- lead(II) nitrate 25. (NH4)2S 26. Fe(OH)3

88 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 Pb2+ NO31- lead(II) nitrate 25. (NH4)2S ammonium sulfide 26. Fe(OH)3

89 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 Pb2+ NO31- lead(II) nitrate 25. (NH4)2S ammonium sulfide 26. Fe(OH)3 Fe3+ OH1-

90 calcium hydrogen carbonate
23. Ca(HCO3)2 calcium hydrogen carbonate 24. Pb(NO3)2 Pb2+ NO31- lead(II) nitrate 25. (NH4)2S ammonium sulfide 26. Fe(OH)3 Fe3+ OH1- iron(III) hydroxide

91 27. NH4NO3

92 27. NH4NO3 ammonium nitrate

93 Write the correct chemical formula for each of the following.

94 1. magnesium chloride 2. sodium fluoride 3. beryllium oxide 4. calcium nitride

95 1. magnesium chloride Mg2+ Cl1- 2. sodium fluoride 3. beryllium oxide 4. calcium nitride

96 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride 3. beryllium oxide 4. calcium nitride

97 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- 3. beryllium oxide 4. calcium nitride

98 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- NaF 3. beryllium oxide 4. calcium nitride

99 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- NaF 3. beryllium oxide Be2+ O2-  Be2O2 4. calcium nitride

100 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- NaF 3. beryllium oxide Be2+ O2-  Be2O2 BeO 4. calcium nitride

101 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- NaF 3. beryllium oxide Be2+ O2-  Be2O2 BeO 4. calcium nitride Ca2+ N3-

102 1. magnesium chloride Mg2+ Cl1- MgCl2 2. sodium fluoride Na1+ F1- NaF 3. beryllium oxide Be2+ O2-  Be2O2 BeO 4. calcium nitride Ca2+ N3- Ca3N2

103 5. strontium phosphide 6. aluminum sulfide 7. chromium(II) oxide 8. silver(I) chloride

104 5. strontium phosphide Sr2+ P3- 6. aluminum sulfide 7. chromium(II) oxide 8. silver(I) chloride

105 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide 7. chromium(II) oxide 8. silver(I) chloride

106 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- 7. chromium(II) oxide 8. silver(I) chloride

107 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- Al2S3 7. chromium(II) oxide 8. silver(I) chloride

108 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- Al2S3 7. chromium(II) oxide Cr2+ O2- 8. silver(I) chloride

109 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- Al2S3 7. chromium(II) oxide Cr2+ O2- CrO 8. silver(I) chloride

110 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- Al2S3 7. chromium(II) oxide Cr2+ O2- CrO 8. silver(I) chloride Ag1+ Cl1-

111 5. strontium phosphide Sr2+ P3- Sr3P2 6. aluminum sulfide Al3+ S2- Al2S3 7. chromium(II) oxide Cr2+ O2- CrO 8. silver(I) chloride Ag1+ Cl1- AgCl

112 12. trinitrogen tetraoxide
9. zinc(II) sulphate 10. barium hydrogen carbonate 11. gold(III) nitrate 12. trinitrogen tetraoxide

113 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- 10. barium hydrogen carbonate 11. gold(III) nitrate 12. trinitrogen tetraoxide

114 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate 11. gold(III) nitrate 12. trinitrogen tetraoxide

115 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate Ba2+ HCO31- 11. gold(III) nitrate 12. trinitrogen tetraoxide

116 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate Ba2+ HCO31- Ba( HCO3)2 11. gold(III) nitrate 12. trinitrogen tetraoxide

117 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate Ba2+ HCO31- Ba( HCO3)2 11. gold(III) nitrate Au3+ NO31- 12. trinitrogen tetraoxide

118 12. trinitrogen tetraoxide
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate Ba2+ HCO31- Ba( HCO3)2 11. gold(III) nitrate Au3+ NO31- Au(NO3)3 12. trinitrogen tetraoxide

119 12. trinitrogen tetraoxide N3O4
9. zinc(II) sulphate Zn2+ SO42- ZnSO4 10. barium hydrogen carbonate Ba2+ HCO31- Ba( HCO3)2 11. gold(III) nitrate Au3+ NO31- Au(NO3)3 12. trinitrogen tetraoxide N3O4

120 13. pentanitrogen hexoxide
14. cupric iodide 15. strontium fluoride 16. barium phosphate

121 13. pentanitrogen hexoxide
N5O6 14. cupric iodide 15. strontium fluoride 16. barium phosphate

122 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- 15. strontium fluoride 16. barium phosphate

123 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- CuI2 15. strontium fluoride 16. barium phosphate

124 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- CuI2 15. strontium fluoride Sr2+ F1- 16. barium phosphate

125 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- CuI2 15. strontium fluoride Sr2+ F1- SrF2 16. barium phosphate

126 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- CuI2 15. strontium fluoride Sr2+ F1- SrF2 16. barium phosphate Ba2+ PO43-

127 13. pentanitrogen hexoxide
N5O6 14. cupric iodide Cu2+ I1- CuI2 15. strontium fluoride Sr2+ F1- SrF2 16. barium phosphate Ba2+ PO43- Ba3(PO4)2

128 17. sulfur trioxide 18. sodium oxide 19. carbon trioxide 20. aluminum sulphide

129 17. sulfur trioxide SO3 18. sodium oxide 19. carbon trioxide 20. aluminum sulphide

130 17. sulfur trioxide SO3 18. sodium oxide Na1+ O2- 19. carbon trioxide 20. aluminum sulphide

131 17. sulfur trioxide SO3 18. sodium oxide Na1+ O2- Na2O 19. carbon trioxide 20. aluminum sulphide

132 17. sulfur trioxide SO3 18. sodium oxide Na1+ O2- Na2O 19. carbon trioxide CO3 20. aluminum sulphide

133 17. sulfur trioxide SO3 18. sodium oxide Na1+ O2- Na2O 19. carbon trioxide CO3 20. aluminum sulphide Al3+ S2-

134 17. sulfur trioxide SO3 18. sodium oxide Na1+ O2- Na2O 19. carbon trioxide CO3 20. aluminum sulphide Al3+ S2- Al2S3

135 21. calcium hydroxide 22. aluminum carbonate 23. iron(III) oxide 24. copper(I) sulfide

136 21. calcium hydroxide Ca2+ OH1- 22. aluminum carbonate 23. iron(III) oxide 24. copper(I) sulfide

137 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate 23. iron(III) oxide 24. copper(I) sulfide

138 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- 23. iron(III) oxide 24. copper(I) sulfide

139 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- Al2CO3 23. iron(III) oxide 24. copper(I) sulfide

140 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- Al2CO3 23. iron(III) oxide Fe3+ O2- 24. copper(I) sulfide

141 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- Al2CO3 23. iron(III) oxide Fe3+ O2- Fe2O3 24. copper(I) sulfide

142 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- Al2CO3 23. iron(III) oxide Fe3+ O2- Fe2O3 24. copper(I) sulfide Cu1+ S2-

143 21. calcium hydroxide Ca2+ OH1- Ca(OH)2 22. aluminum carbonate Al3+ CO32- Al2CO3 23. iron(III) oxide Fe3+ O2- Fe2O3 24. copper(I) sulfide Cu1+ S2- Cu2S

144

145 The End 

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