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SCHEME OF WORK
Chemistry
Form 2 2025
TERM III
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

OPENING AND PLANNING OF TERM

2 1
STRUCTURE & BONDING
Molecular structure.
By the end of the lesson, the learner should be able to:
To describe the molecular structure.
To give examples of substance exhibiting molecular structure
Discussion ? To explain formation of the giant structure and give examples of substance exhibiting molecular structure.
text book
K.L.B. BOOK IIP 65
2 2
STRUCTURE & BONDING
Trend in physical properties of molecular structures.
By the end of the lesson, the learner should be able to:
To describe van- der -waals forces.
To explain the trend in physical properties of molecular structures.
Discuss comparative physical properties of substances. exhibiting molecular structure.
Explain variation in the physical properties.
Sugar, naphthalene, iodine rhombic sulphur.
K.L.B. BOOK IIP 65
2 3-4
STRUCTURE & BONDING
Giant atomic structure in diamond.
By the end of the lesson, the learner should be able to:
To describe giant atomic structure in diamond.
To state uses of diamond.
Diagrammatic representation of diamond.
Discuss uses of diamond.
Diagrams in textbooks.
K.L.B. BOOK II P 69
2 5
STRUCTURE & BONDING
Giant atomic structure in graphite.
By the end of the lesson, the learner should be able to:
To describe giant atomic structure in graphite.
To state uses of graphite.
Diagrammatic representation of graphite.

Discuss uses of graphite.
Diagrams in textbooks.
K.L.B. BOOK II pp 69
3 1
STRUCTURE & BONDING
Metallic bond. Uses of some metals.
By the end of the lesson, the learner should be able to:
To describe mutual electronic forces between electrons and nuclei.
To describe metallic bond.
To compare physical properties of metals.
To state uses of some metals.
Discussion:
Detailed analysis of comparative physical properties of metals and their uses.



Probing questions & brief explanations.
text book
K.L.B. BOOK IIP 70
3 2
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
3 3-4
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
3 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
4 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
4 2
PROPERTIES AND TRENDS ACROSS PERIOD THREE
Chemical properties of elements in the third period.
By the end of the lesson, the learner should be able to:
To compare reactions of elements in period 3 with water
Q/A: Review reaction of sodium, Mg, chlorine, with water.
Infer that sodium is most reactive metal; non-metals do not react with water.
The periodic table.
K.L.B. BOOK II PP. 80-81
4 3-4
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
4 5
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
5 1
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
5 2
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
5 3-4
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Electrolysis.
Aqueous electrolytes. Electrodes.
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.
To define an electrolyte
To test for electrical conductivities of electrodes.
Descriptive approach punctuated with Q/A.
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
K.L.B. BOOK II PP.122-123
5 5
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Reaction on electrodes.
By the end of the lesson, the learner should be able to:
To describe half- equation reactions at the cathode and anode
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes
Explanation of half-equations and reactions at the electrodes.
Graphite electrodes
Battery
Various aqueous solutions switch.
K.L.B. BOOK II PP.126-127
6 1
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Binary electrolyte.
By the end of the lesson, the learner should be able to:
To define a binary electrolyte.
To state the products of a binary electrolyte.
Completing a table of electrolysis of binary electrolytes.
text book
K.L.B. BOOK II P.127
6 2
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
Binary electrolyte.
By the end of the lesson, the learner should be able to:
To define a binary electrolyte.
To state the products of a binary electrolyte.
Completing a table of electrolysis of binary electrolytes.
text book
K.L.B. BOOK II P.127
6 3-4
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
6 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
7 1
CARBON AND SOME OF ITS COMPOUNDS.
Allotropy.
By the end of the lesson, the learner should be able to:
Define allotropes and allotropy.
Identify allotropes of carbon.
Represent diamond and graphite diagrammatically.
Teacher exposes new terms.
Review covalent bond.
Discuss boding in diamond and graphite.
text book
K.L.B. BOOK II PP. 131-133
7 2
CARBON AND SOME OF ITS COMPOUNDS.
Physical and chemical properties of diamond, graphite and amorphous carbon
By the end of the lesson, the learner should be able to:
Describe physical and chemical properties of diamond, graphite and amorphous carbon.
State uses of carbon allotropes.
Discuss physical and chemical properties of diamond, graphite and amorphous carbon.
Explain the Physical and chemical properties of diamond, graphite and amorphous carbon.
Discuss uses of carbon allotropes.
Charcoal, graphite.
K.L.B. BOOK II pp 134
7 3-4
CARBON AND SOME OF ITS COMPOUNDS.
Burning carbon and oxygen.
By the end of the lesson, the learner should be able to:
Describe reaction of carbon with oxygen.
Teacher demonstration- Prepare oxygen and pass dry oxygen into a tube containing carbon. Heat the carbon. Observe effects on limewater.
Carbon, limewater, tube, limewater stand& Bunsen burner.
K.L.B. BOOK II PP. 134-135
7 5
CARBON AND SOME OF ITS COMPOUNDS.
Reduction properties of carbon.
By the end of the lesson, the learner should be able to:
Describe reduction properties of carbon.
Show reduction properties of carbon.
Teacher demonstration ? Burn strongly a mixture of carbon and CuO on a bottle top.
Observe colour changes and give underlying explanation
CuO, pounded charcoal, Bunsen burner& bottle top
K.L.B. BOOK II P.126
8

END OF TERM THREE EXAMS

9

RESULTS ANALYSIS AND SCHOOL CLOSURE

10 1
CARBON AND SOME OF ITS COMPOUNDS.
Reaction of carbon with acids. Preparation of CO2.
By the end of the lesson, the learner should be able to:
Describe reaction of carbon with acids.




Prepare CO2 in the lab.
Teacher demonstration- reaction of carbon with hot conc HNO3.
Write balanced equations for the reaction.

Review effects of heat on carbonates.
Group experiments/teacher demonstration- preparation of CO2.
Conc. HNO3, limewater.
K.L.B. BOOK II P.126
10 2
CARBON AND SOME OF ITS COMPOUNDS.
Properties of CO2.
By the end of the lesson, the learner should be able to:
Describe properties of CO2
Simple experiments to determine properties of CO2.

Discuss the observations.
Lime water,
Magnesium ribbon,
Universal indicator,
lit candle.
K.L.B. BOOK II PP.138-139
10 3-4
CARBON AND SOME OF ITS COMPOUNDS.
Chemical equations for reactions involving CO2.
By the end of the lesson, the learner should be able to:
Write balanced CO2.
Give examples of reactions. Write corresponding balanced chemical equations.
text book
K.L.B. BOOK II PP.139-140
10 5
CARBON AND SOME OF ITS COMPOUNDS.
Uses of CO2.
By the end of the lesson, the learner should be able to:
State uses of CO2
Discuss briefly the uses of CO2.
text book
K.L.B. BOOK II PP.140-1
11 1
CARBON AND SOME OF ITS COMPOUNDS.
Carbon monoxide lab preparation.
By the end of the lesson, the learner should be able to:
To describe preparation of carbon monoxide in the lab
Teacher demonstration: preparation of carbon monoxide in the lab.
Make observations.
text book
K.L.B. BOOK II PP. 142-143
11 2
CARBON AND SOME OF ITS COMPOUNDS.
Carbon monoxide lab preparation.
By the end of the lesson, the learner should be able to:
To describe preparation of carbon monoxide in the lab
Teacher demonstration: preparation of carbon monoxide in the lab.
Make observations.
text book
K.L.B. BOOK II PP. 142-143
11 3-4
CARBON AND SOME OF ITS COMPOUNDS.
Chemical properties of carbon monoxide.
Carbonates and hydrogen carbonates.
By the end of the lesson, the learner should be able to:
To describe chemical properties of carbon monoxide.
To write chemical equations for reactions of carbonates and hydrogen carbonates with acids.
Description of properties of carbon monoxide.
Discussion and writing of chemical equations.
Discuss the observations above.
Write chemical equations for the reactions.
text book
K.L.B. BOOK II PP. 144-145
11 5
CARBON AND SOME OF ITS COMPOUNDS.
Heating carbonates and hydrogen carbonates.
By the end of the lesson, the learner should be able to:
To write equations for reaction of carbonates and hydrogen carbonates on heating.
Discuss the above observations.
Write corresponding balanced equations.
text book
K.L.B. BOOK II PP.150-151
12 1
CARBON AND SOME OF ITS COMPOUNDS.
Extraction of sodium carbonate from trona.
By the end of the lesson, the learner should be able to:
To draw schematic diagram for extraction of sodium carbonates.
Discuss each step of the process.
Write relevant equations.
text book
K.L.B. BOOK II PP. 153-157
12 2
CARBON AND SOME OF ITS COMPOUNDS.
Solvay process of preparing sodium carbonate.
By the end of the lesson, the learner should be able to:
To draw schematic diagram for extraction of sodium carbonates.
Discuss each step of the process.

Write relevant equations.
text book, chart
K.L.B. BOOK II
12 3-4
CARBON AND SOME OF ITS COMPOUNDS.
Solvay process of preparing sodium carbonate.
Importance of carbon in nature. & its effects on the environment.
By the end of the lesson, the learner should be able to:
To draw schematic diagram for extraction of sodium carbonates.
To discuss: - Importance of carbon in nature.
&
Effects of carbon on the environment.
Discuss each step of the process.

Write relevant equations.
Discuss the carbon cycle and processes that increase/ reduce amount of CO2 in the air.
Uses of CO2 in soft drinks and fire extinguishers.
text book, chart
K.L.B. BOOK II
K.L.B. BOOK II PP.157-158
12 5
CARBON AND SOME OF ITS COMPOUNDS.
Importance of carbon in nature. & its effects on the environment.
By the end of the lesson, the learner should be able to:
To discuss: - Importance of carbon in nature.
&
Effects of carbon on the environment.
Discuss the carbon cycle and processes that increase/ reduce amount of CO2 in the air.
Uses of CO2 in soft drinks and fire extinguishers.
text book
K.L.B. BOOK II PP.157-158

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