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Chemistry
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TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
CHEMICAL FAMILIES
Chemical properties of alkaline earth metals. Reaction of alkaline earth metals with oxygen.
By the end of the lesson, the learner should be able to:
To describe reaction of alkaline earth metals with oxygen
Q/A: Review reactions of Mg, Ca, with oxygen.
The corresponding word and then chemical equations are then written and their correctness verified by the teacher.
text book
K.L.B. BOOK IIP. 38
2 2-3
CHEMICAL FAMILIES
Chemical properties of alkaline earth metals. Reaction of alkaline earth metals with oxygen.
Chemical properties of alkaline earth metals. Reaction of alkaline earth metals with water.
By the end of the lesson, the learner should be able to:
To describe reaction of alkaline earth metals with oxygen

To describe reaction of alkaline earth metals with water.
Q/A: Review reactions of Mg, Ca, with oxygen.
The corresponding word and then chemical equations are then written and their correctness verified by the teacher.
Q/A: Review reaction of metals with water.
Writing down word and balanced chemical equations for the reactions.
Deduce and discuss the order of reactivity down the group.
text book
Some alkaline earth metals.
K.L.B. BOOK IIP. 38
K.L.B. BOOK IIP. 39
2 4
CHEMICAL FAMILIES
Chemical properties of alkaline earth metals. Reaction of alkaline earth metals with water.
By the end of the lesson, the learner should be able to:
To describe reaction of alkaline earth metals with water.
Q/A: Review reaction of metals with water.
Writing down word and balanced chemical equations for the reactions.
Deduce and discuss the order of reactivity down the group.
Some alkaline earth metals.
K.L.B. BOOK IIP. 39
2 5
CHEMICAL FAMILIES
Reaction of alkaline earth metals with chlorine gas.
By the end of the lesson, the learner should be able to:
To write balanced equations for reaction of alkaline earth metals with chlorine gas.
Teacher demonstration- Reaction of sodium with chlorine in a fume chamber.
Q/A: Students to predict a similar reaction between potassium and chlorine.
Word and balanced chemical equations for various reactions.
Supervised practice.
Sodium, chlorine.
K.L.B. BOOK II P. 41
3 1
CHEMICAL FAMILIES
Reaction of alkaline earth metals with dilute acids.
By the end of the lesson, the learner should be able to:
To write balanced equations for reactions of alkaline earth metals with dilute acids.
Changing word to chemical equations.
Supervised practice.
revision book
K.L.B. BOOK II PP. 43
3 2-3
CHEMICAL FAMILIES
Reaction of alkaline earth metals with dilute acids.
By the end of the lesson, the learner should be able to:
To write balanced equations for reactions of alkaline earth metals with dilute acids.
Changing word to chemical equations.
Supervised practice.
revision book
K.L.B. BOOK II PP. 43
3 4
CHEMICAL FAMILIES
Chemical formulae of alkaline earth metals.
By the end of the lesson, the learner should be able to:
Write chemical formulae for compounds of alkaline earth metals.
Explain formation of hydroxides, oxides and chlorides of alkaline earth metals.
Exercise: Completing a table of hydroxides, oxides and chlorides of alkaline earth metals.
Discuss combination of ions of alkaline earth metals with anions.
text book
K.L.B. BOOK II PP. 45-47
3 5
CHEMICAL FAMILIES
Chemical formulae of alkaline earth metals.
By the end of the lesson, the learner should be able to:
Write chemical formulae for compounds of alkaline earth metals.
Explain formation of hydroxides, oxides and chlorides of alkaline earth metals.
Exercise: Completing a table of hydroxides, oxides and chlorides of alkaline earth metals.
Discuss combination of ions of alkaline earth metals with anions.
text book
K.L.B. BOOK II PP. 45-47
4 1
CHEMICAL FAMILIES
Uses of some alkaline earth metals and their compounds.
By the end of the lesson, the learner should be able to:
State uses of alkaline earth metals.
Descriptive approach: Teacher elucidates uses of alkaline earth metals.
text book
K.L.B. BOOK II PP. 45-47
4 2-3
CHEMICAL FAMILIES
Uses of some alkaline earth metals and their compounds.
Halogens. Physical properties of halogens.
By the end of the lesson, the learner should be able to:
State uses of alkaline earth metals.
Identify halogens in the periodic table.
Give examples of halogens.
Identify physical states of halogens.
Descriptive approach: Teacher elucidates uses of alkaline earth metals.
Teacher demonstration: - To examine electrical properties of iodine, solubility in water of chlorine.
text book
Iodine crystals, electrical wire, a bulb.
K.L.B. BOOK II PP. 45-47
KLB BK II
P. 47
4 4
CHEMICAL FAMILIES
Comparative physical properties of halogens.
By the end of the lesson, the learner should be able to:
To state and explain the trends in physical properties of halogens.
Examine a comparative table of physical properties of halogens.
Discuss the deductions made from the table.
text book
K.L.B. BOOK II P. 47
4 5
CHEMICAL FAMILIES
Chemical properties of halogens.
By the end of the lesson, the learner should be able to:
To describe laboratory preparation of chlorine gas.

To describe reaction of halogens with metals.
Teacher demonstration: - preparation of chlorine gas.
Reaction of chlorine and iron wool.
Reaction of bromine and iron wool.
Reaction of iodine and iron wool.
Observe the rate of these reactions; hence deduce order of their reactivity of halogens.
Chlorine, iron wool, bromine.
K.L.B. BOOK IIPP. 48-50
5 1
CHEMICAL FAMILIES
Equations of reaction of halogens with metals.
By the end of the lesson, the learner should be able to:
To write balanced chemical equations of reactions involving halogens.
Re-write word equations as chemical equations then balance them.
Supervised practice.
text book
K.L.B. BOOK II P. 50
5 2-3
CHEMICAL FAMILIES
Equations of reaction of halogens with metals.
Reaction of halogens with water.
By the end of the lesson, the learner should be able to:
To write balanced chemical equations of reactions involving halogens.
To describe reaction of halogens with water and the results obtained.
Re-write word equations as chemical equations then balance them.
Supervised practice.
Bubbling chlorine gas through water.
Carry out litmus test for the water.
Explain the observations.
text book
Chlorine gas, litmus papers.
K.L.B. BOOK II P. 50
K.L.B. BOOK II P. 51
5 4
CHEMICAL FAMILIES
Reaction of halogens with water.
By the end of the lesson, the learner should be able to:
To describe reaction of halogens with water and the results obtained.
Bubbling chlorine gas through water.
Carry out litmus test for the water.
Explain the observations.
Chlorine gas, litmus papers.
K.L.B. BOOK II P. 51
5 5
CHEMICAL FAMILIES
Some uses of halogens and their compounds.
By the end of the lesson, the learner should be able to:
To state uses of halogens and their compounds.
Teacher elucidates uses of halogens and their compounds.
text book
K.L.B. BOOK II pp 52
6 1
CHEMICAL FAMILIES
Noble Gases. Comparative physical properties of noble gases.
By the end of the lesson, the learner should be able to:
To describe physical properties of noble gases.
To explain physical properties of noble gases.
Make A comparative analysis of tabulated physical properties of noble gases.
text book
  K.L.B. BOOK IIPP. 52-53
6 2-3
CHEMICAL FAMILIES
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Uses of noble gases.
Physical properties of elements in periods.
By the end of the lesson, the learner should be able to:
State uses of noble gases.




To compare electrical conductivity of elements in period 3
Teacher elucidates uses of noble gases.
Group experiments- Construct electrical circuits incorporating a magnesium ribbon, then aluminum foil, then sulphur in turns.
The brightness of the bulb is noted in each case.
Discuss the observations in terms of delocalised electrons.
text book
The periodic table.
K.L.B. BOOK IIP. 54
K.L.B. BOOK IIP. 76
6 4
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Physical properties of elements in periods.
By the end of the lesson, the learner should be able to:




To compare electrical conductivity of elements in period 3
Group experiments- Construct electrical circuits incorporating a magnesium ribbon, then aluminum foil, then sulphur in turns.
The brightness of the bulb is noted in each case.
Discuss the observations in terms of delocalised electrons.
The periodic table.
K.L.B. BOOK IIP. 76
6 5
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Physical properties of elements in period 3.
By the end of the lesson, the learner should be able to:
To compare other physical properties of elements across period 3.
Analyse comparative physical properties presented in form of a table.
Explain the trend in the physical properties given.
The periodic table.
K.L.B. BOOK II P. 77
7 1
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Chemical properties of elements in period 3.
By the end of the lesson, the learner should be able to:
To compare reactions of elements in period 3 with oxygen.
Q/A: Products of reactions of Na, Mg, Al, P, & S with oxygen.
Discuss the trend in their reactivity; identify basic and acidic oxides.
Exercise ? balanced chemical equations for the above reactions.
The periodic table.
K.L.B. BOOK II PP. 79-80
7 2-3
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Chemical properties of elements in the third period.
Oxides of period 3 elements.
By the end of the lesson, the learner should be able to:
To compare reactions of elements in period 3 with water
To identify bonds across elements in period 3.
To explain chemical behavior of their oxide.
Q/A: Review reaction of sodium, Mg, chlorine, with water.
Infer that sodium is most reactive metal; non-metals do not react with water.

Comparative analysis, discussion and explanation.
The periodic table.
K.L.B. BOOK II PP. 80-81
K.L.B. BOOK II P. 84
7 4
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Chlorides of period 3 elements.
By the end of the lesson, the learner should be able to:
To explain chemical behavior of their chlorides.
To describe hydrolysis reaction.
Comparative analysis, discussion and explanation.
The periodic table.
K.L.B. BOOK II PP. 77-78
7 5
SALTS
Types of salts.
By the end of the lesson, the learner should be able to:
Define a salt.
Describe various types of salts and give several examples in each case.
Descriptive approach. Teacher exposes new concepts.
text book
K.L.B. BOOK II P. 91
8 1
SALTS
Solubility of salts in water.
By the end of the lesson, the learner should be able to:
To test solubility of various salts in cold water/warm water.
Class experiments- Dissolve salts in 5 cc of water.
Record the solubility in a table,
Analyse the results.
Sulphates, chlorides, nitrates, carbonates of various metals.
K.L.B. BOOK II PP. 92-93
8 2-3
SALTS
Solubility of bases in water.
By the end of the lesson, the learner should be able to:
To test solubility of various bases in water.
To carry out litmus test on the resulting solutions.
Class experiments- Dissolve salts in 5cc of water.
Record the solubility in a table,
Carry out litmus tests.
Discuss the results.
Oxides, hydroxides, of various metals, litmus papers.
K.L.B. BOOK IIPP. 94-95
8 4
SALTS
Methods of preparing various salts.
By the end of the lesson, the learner should be able to:
To describe various methods of preparing some salts.
Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2.

CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3.
K.L.B. BOOK II pp96
8 4-5
SALTS
Methods of preparing various salts.
By the end of the lesson, the learner should be able to:
To describe various methods of preparing some salts.
Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2.

CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3.
K.L.B. BOOK II pp96
9

Mid -Term Exam and beak
10 1
SALTS
Direct synthesis of a salts.
By the end of the lesson, the learner should be able to:
To describe direct synthesis of a salt.
To write balanced equations for the reactions.
Group experiments- preparation of iron (II) sulphide by direct synthesis.
Give other examples of salts prepared by direct synthesis.
Students write down corresponding balanced equations.
Iron,
Sulphur
K.L.B. BOOK II P. 104
10 2-3
SALTS
Ionic equations.
Effects of heat on carbonates.
By the end of the lesson, the learner should be able to:
To identify spectator ions in double decomposition reactions.
To write ionic equations correctly.

To state effects of heat on carbonates.
To predict products resulting from heating metal carbonates.
Q/A: Ions present in given reactants.
Deduce the products of double decomposition reactions.
Give examples of equations.
Supervised practice.

Group experiments- To investigate effects of heat on Na2CO3, K2CO3, CaCO3, ZnCO3, PbCO3, e.t.c.
Observe various colour changes before, during and after heating.
Write equations for the reactions.
PbNO3, MgSO4 solutions.
Various carbonates.
K.L.B. BOOK II
K.L.B. BOOK II PP. 108-109
10 4
SALTS
Effects of heat on nitrates.
By the end of the lesson, the learner should be able to:
To state effects of heat on nitrates.
To predict products resulting from heating metal nitrates.
Group experiments- To investigate effects of heat on various metal nitrates.
Observe various colour changes before, during and after heating.
Write equations for the reactions.
Common metal nitrates.
K.L.B. BOOK II PP. 110-111
10 5
SALTS
Effects of heat on sulphates.
By the end of the lesson, the learner should be able to:
To state effects of heat on sulphates.
To predict products results from heating metal sulphates.
Group experiments- To investigate effects of heat on various sulphates.
Observe various colour changes before, during and after heating.
Write equations for the reactions.
Common sulphates.
K.L.B. BOOK II P. 113
11 1
SALTS
Hygroscopy, Deliquescence and Efflorescence.
By the end of the lesson, the learner should be able to:
To define hygroscopic deliquescent and efflorescent salts.
To give examples of hygroscopic deliquescent and efflorescent salts.
Prepare a sample of various salts.
Expose them to the atmosphere overnight.
Students classify the salts as hygroscopic, deliquescent and / or efflorescent.
K.L.B. BOOK II P. 114
11 2-3
SALTS
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Uses of salts.
Electrical conductivity.
By the end of the lesson, the learner should be able to:
To state uses of salts
To test for electrical conductivities of substances.
Teacher elucidates uses of salts.
Group experiments- to identify conductors and non-conductors.
Explain the difference in (non) conductivities.

Various solids, bulb, battery, & wires.
K.L.B. BOOK II P. 114
K.L.B. BOOK II PP. 118-119
11 4
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Molten electrolytes.
By the end of the lesson, the learner should be able to:
To test for electrical conductivities molten electrolytes.
Group experiments- to identify electrolytes in molten form.
Explain the difference in molten electrolytes.
Molten candle wax
Sugar
Sulphur
Lead oxide.
K.L.B. BOOK IIPP. 120-121
11 5
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Electrolysis.
By the end of the lesson, the learner should be able to:
To define electrolysis
To describe the process of electrolysis in terms of charge movement.
Descriptive approach punctuated with Q/A.
K.L.B. BOOK II
12 1
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Aqueous electrolytes. Electrodes.
By the end of the lesson, the learner should be able to:
To define an electrolyte
To test for electrical conductivities of electrodes.
To investigate chemical effect of an electric current.
Classify the solutions as electrolyte or non -electrolytes.
Discuss the electrical properties of the solutions.
Graphite electrodes
Battery
Various aqueous solutions switch bulb.
K.L.B. BOOK II PP.122-123
12 2-3
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Reaction on electrodes.
Binary electrolyte.
By the end of the lesson, the learner should be able to:
To describe half- equation reactions at the cathode and anode
To define a binary electrolyte.
To state the products of a binary electrolyte.
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes
Explanation of half-equations and reactions at the electrodes.
Completing a table of electrolysis of binary electrolytes.
Graphite electrodes
Battery
Various aqueous solutions switch.
text book
K.L.B. BOOK II PP.126-127
K.L.B. BOOK II P.127
12 4
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Application of electrolysis.
By the end of the lesson, the learner should be able to:
To state application of electrolysis.
Discussion and explanations.
text book
K.L.B. BOOK II P. 128
12 5
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Electroplating.
By the end of the lesson, the learner should be able to:
To describe electroplating process.
Experiment- Left overnight.
Electroplating an iron nail with silver nitrate/ copper sulphate.
Brief discussion.
Silver nitrate
Iron nail
Complete circuit battery.
K.L.B. BOOK II PP. 129-30
13-14

End -Term Exams

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