MODULE 1: Ionic Formulae, Ionic Equation & Compound Formulae

DOMAIN 1 FORMULA & CHEMICAL EQUATION

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TUTORIAL 1.1 : Ionic Formulae, Ionic Equation & Compound Formulae

Complete the table below.BName of the IonIonic formulaeCompound Name MethodCompound formulaeIonic equation

1Sodium ionNa+Sodium chloride Na+ Cl-

1 1

Na1Cl1NaClNa+ + Cl- (NaCl

2potassium ionK+Potassium bromide

3silver ionAg+Magnesium chloride Mg2+ Cl- 1 2 Mg1Cl2MgCl2Mg2+ + 2Cl- ( MgCl2

4hydrogen ionH+Copper (II) oxide

5copper(I) ionCu+Potassium oxide

6copper(II) ionCu2+Iron(II) oxide

7magnesium ionMg2+Tin(II) oxide

8calcium ionCa2+Zink chloride

9zinc ionZn2+Copper(I) chloride

10barium ionBa2+Barium chloride

11iron(II) ionFe2+Silver oxide

12iron(III) ionFe3+Lead(II) chloride

13lead(II) ionPb2+Magnesium oxide

14lead(IV) ionPb4+Lead(II) iodide

15tin(II) ionSn2+Aluminum chloride

16tin(IV) ionSn4+Aluminum oxide

17Aluminum ionAl3+Iron(III) oxide

18Lithium ionLi+Calcium oxide

19fluoride ionF -Tin(IV) oxide

20Chloride ionCl -Magnesium bromide

21bromide ionBr -Lead(II) bromide

22iodide ionI -Potassium chloride

23oxide ionO 2-Sodium iodide

24hydroxide ionOH -Iron(III) chloride

25nitrate ionNO3-Lead(IV) oxide

26sulphate ionSO42 -Sodium oxide

27carbonate ionCO3 2 -Silver bromide

28ammonium ionNH4+Zink oxide

29phosphate ionPO43 -Calcium chloride

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TUTORIAL 1.2 : Write the correct formulae of each compound

Name of compoundMethodFormulaeName of compoundMethodFormulae

Magnesium nitrateMg2+ NO3- 1 2 Mg1(NO3)2Mg(NO3)2Calcium carbonate Ca2+ CO32-2 2

Ca2 (CO3)2CaCO3

Potassium sulphateAmmonium chloride

Iron(II) sulphateAmmonium nitrate

Copper(II) hydroxideAmmonium carbonate

Copper(II) carbonateAmmonium sulphate

Lead(II) sulphateAmmonium phosphate

Calcium carbonatePotassium hydroxide

Zink hydroxideAluminum sulphate

Copper(II) nitrateIron(III) sulphate

Tin(II) hydroxideAluminum nitrate

Potassium nitrateMagnesium hydroxide

Sodium carbonatePotassium phosphate

Zink nitrateCalcium nitrate

Barium sulphateIron(III) nitrate

Iron(III) hydroxideIron(II) carbonate

Magnesium carbonateSodium nitrate

Silver sulphateBarium hydroxide

Sodium hydroxidePotassium carbonate

Zink sulphateSilver hydroxide

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TUTORIAL 1.3 : Complete the Ionic Formulae, Haft Equation & Ionic Equation.

Name of the IonIonic formulae Haft EquationCompound Name Ionic EquationCompound formulae

Sodium ionNa+1Na ( Na+1 + eSodium chlorideNa+ + Cl- (NaClNaCl

potassium ionPotassium bromide

silver ionMagnesium chloride

hydrogen ionCopper (II) oxide

copper(I) ionPotassium oxide

copper(II) ionCu2+Cu ( Cu2+ + 2eIron(II) oxide

magnesium ionTin(II) oxide

calcium ionZink chloride

zinc ionCopper(I) chloride

barium ionBarium chloride

iron(II) ionSilver oxide

iron(III) ionFe3+Fe ( Fe3+ + 3eLead(II) chloride

lead(II) ionMagnesium oxide

lead(IV) ionLead(II) iodide

tin(II) ionAluminum chloride

tin(IV) ionAluminum oxide

fluoride ionIron(III) oxide

Chloride ionCl-2Cl- ( Cl2 + 2eCalcium oxide

bromide ionTin(IV) oxide

iodide ionMagnesium bromideMg2+ + Br- ( MgBr2MgBr2

oxide ionO2-2O2- ( O2 + 4eLead(II) bromide

hydroxide ionOH-4OH- (2H2O + O2 + 4ePotassium chloride

nitrate ionSodium iodide

sulphate ionIron(III) chloride

carbonate ionLead(IV) oxide

ammonium ionNH4+2NH4+ + 2e (2NH3 + H2Sodium oxide

phosphate ionSilver bromide

Zink oxide

Calcium chloride

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TUTORIAL 1.4 : Recognize chemical formulae, type of compound, element present, cation and anion

NoChemical compoundChemical FormulaeType of compoundConstitu-ent ElementIons

cationanion

1Copper (II) oxideCuOIonicCu2+O2-

2Sodium oxide

3Potassium chlorideK, Cl

4Magnesium chlorideMgCl2

5Zinc oxideIonic

6Lead(II) sulphate

7Silver sulphateAg2SO4Ag, S, OAg+SO42-

8Tin(II) nitrate

9Hydrochloric acidMolecular

10Sulfuric acid Molecular

11Nitric acidHNO3

12Magnesium nitrate

13Copper(II) sulphate

14Silver nitrate

15Iron(III) chloride

16Iron(II) nitrate

17Sodium sulphate

18Potassium mangganase(VII)KMnO4K, Mn, O

19Potassium dichromate(VI)K2Cr2O7

20Aluminium oxide

21Iron(III) chloride

22Aluminium chloride

23Aluminium sulphate

24Iron(III) sulphate

25Ammonium nitrate

26Ethanoic acid CH3COOH

27Ammonium sulphate

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TUTORIAL 1.5 : Formulae of ionic compound in salts, acids, bases & alkalisWrite the formulae of the following ionic compounds.

IonsChloride, Cl-Nitrate, NO3-Sulphate, SO42-Carbonate, CO32-

Sodium, Na+ NaCl NaNO3 Na2SO4 Na2CO3

Potassium, K+

Zinc, Zn2+

Magnesium, Mg2+

Calcium, Ca2+

Lead (II), Pb2+

Copper(II), Cu2+

Ammonium, NH4+

Silver (I), Ag+

Write the formulae of the following salts, acids, bases and alkalis.Compound of saltsChemical

FormulaeCompound of acids, bases & alkalisChemical

Formulae

Sodium nitrateCopper(II) oxide

Potassium sulphateMagnesium oxide

Zinc sulphateLead(II) oxide

Lead (II) nitrateSodium hydroxide

Calcium carbonatePotassium hydroxide

Sodium carbonateAmmonium hydroxide

Potassium chlorideHydrochloric acid

Copper(II) sulphateNitric acid

Calcium chlorideSulfuric acid

Magnesium chlorideEthanoic acid

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TUTORIAL 1.6 : Writing A Balanced Chemical Equations

Write a balance chemical equations below:

1.Copper(II) carbonate ( Copper(II) oxide + Carbon dioxide

2.Lead(II) nitrate + Sodium iodide (Lead(II) iodide + Sodium nitrate

3.Aluminum + Zinc oxide ( Aluminum oxide + Zinc

4.Hydrogen + Oxygen ( Water

5.Potassium carbonate + Nitric acid ( Potassium nitrate + Carbon dioxide + Water

6.Sodium hydroxide + Sulfuric acid ( Sodium sulphate + Water

7.Iron + Chlorine (Iron(III) chloride

8.Lithium + Water ( Lithium hydroxide + Hydrogen

9.Bromine + Potassium iodide (Potassium bromide + Iodine

10.Copper + Silver nitrate ( Copper(II) nitrate + Silver

11.Zinc + Iron(III) chloride ( Zinc chloride + Iron(II) chloride

12.Barium chloride + Sodium sulphate( Barium sulphate + Sodium chloride

13.Iron + Copper(II) oxide ( Iron(III) oxide + Copper

14.Sodium + Water ( Sodium hydroxide + hydrogen

15.Magnesium + carbon dioxide ( magnesium oxide + carbon

16.Potassium + Copper(II) oxide ( Potassium oxide + Copper

17.Iron (II) oxide + Zink(Zink(II) oxide + Iron18.Magnesium + Oxygen ( Magnesium oxide19.Aluminum + Oxygen ( Aluminum oxide

20. Sodium + Oxygen ( Sodium oxide

21. Copper(II) carbonate ( Copper(II) oxide + Carbon dioxide

22.Magnesium + Oxygen ( Magnesium oxide

23. Potassium + Oxygen ( Potassium oxide

24. Aluminum oxide + Hydrocloric acid ( Aluminum cloride + Hydrogen gas25. Zinc + Oxygen ( Zinc oxide

26. Lead(II) carbonate ( Lead(II) oxide + Carbon dioxide

27. Magnesium + Chlorine ( Magnesium chloride

28. Potassium + Chlorine ( Potassium chloride

29. Iron + Oxygen ( Iron(II) oxide30. Zinc + Chlorine ( Zinc chloride

31. Magnesium + Copper(II) oxide ( Magnesium oxide + Copper

32. Sodium + Copper(II) oxide ( Sodium oxide + Copper

33. Zinc + Lead(II) oxide ( Zinc oxide + Lead

34. Calcium + Lead(II) oxide ( Calcium oxide + Lead

35. Iron + Lead(II) oxide ( Iron(II) oxide + Lead37.CaCO3 + 2HClCaCl2 +CO2 + H2O38.2K + H2O ( 2KOH + H2

39.SO3 + H2 SO4 ( H2 S2O740.S + O2 ( SO241.KOH + HCl ( KCl + H2O 42.

Na2S2O3 + H2SO4 Na2SO4 + SO2 + S + H2O

43.H2SO4 + Pb(NO3)2 ( PbSO4 + 2HNO344.HCl + CuCO3 ( CuCl2 + CO2 + H2O45.2NH3 + H2SO4 ( (NH4)2SO446.NH3 + H2O ( NH4OH

47.MgCO3 ( MgO + CO248.FeBr2(aq) + Cl2 (g) ( FeCl2 (aq) + Br249.CuSO4(aq) + Zn(s) ( ZnSO4(aq) + Cu(s)50.CaO(s) + 2HNO3(aq) ( Ca(NO3)2(aq) + H2O(l)

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