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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 6 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Atomic and mass numbers.
|
By the end of the
lesson, the learner
should be able to:
Name the subatomic particles in an atom. Define atomic number and mass number of an atom. Represent atomic and mass numbers symbolically. |
Exposition on new concepts;
Probing questions; Brief discussion. |
text book
|
K.L.B.
BOOK II PP. 1-3 |
|
| 6 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
First twenty elements of the periodic table.
|
By the end of the
lesson, the learner
should be able to:
List the first twenty elements of the periodic table. Write chemical symbols of the first twenty elements of the periodic table. |
Expository approach: referring to the periodic table, teacher exposes the first twenty elements.
Writing down a list of first twenty elements of the periodic table. |
Periodic table.
|
K.L.B.
BOOK II PP. 1-3 |
|
| 6 | 3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Isotopes.
|
By the end of the
lesson, the learner
should be able to:
Define isotopes. Give examples of isotopes. |
Exposition of definition and examples of isotopes.
Giving examples of isotopes. |
Periodic table.
|
K.L.B.
BOOK II P. 4 PP. 5-8 |
|
| 6 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Electronic configuration.
|
By the end of the
lesson, the learner
should be able to:
Represent isotopes symbolically. Define an energy level. Describe electronic configuration in an atom. |
Exposition ? teacher exposes new concepts about electronic configuration.
Written exercise. |
Periodic table.
|
K.L.B.
BOOK II P. 4 PP. 5-9 |
|
| 6 | 5-6 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Electronic configuration in diagrams.
Periods of the periodic table. |
By the end of the
lesson, the learner
should be able to:
Represent electronic configuration diagrammatically. Identify elements of the same period. |
Supervised practice;
Written exercise. Exposition ? Definition of a period. Q/A: Examples of elements of the same period. |
text book
Periodic table. |
K.L.B.
BOOK II PP. 5-8 K.L.B. BOOK IIP. 9 |
|
| 7 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Groups of the periodic table.
|
By the end of the
lesson, the learner
should be able to:
Identify elements of the same period. |
Exposition ? definition of a group.
Q/A: examples of elements of the same group. |
Periodic table.
|
K.L.B. BOOK IIP. 9
|
|
| 7-8 |
Midterms, public holidays, Final exams |
|||||||
| 8 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
R.M.M. and isotopes.
|
By the end of the
lesson, the learner
should be able to:
Calculate R.M.M. from isotopic composition. |
Supervised practice involving calculation of RMM from isotopic composition.
|
text book
|
K.L.B. BOOK IIPP. 11-13
|
|
| 8 | 3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
R.M.M. and isotopes.
|
By the end of the
lesson, the learner
should be able to:
Calculate R.M.M. from isotopic composition. |
Supervised practice involving calculation of RMM from isotopic composition.
|
text book
|
K.L.B. BOOK IIPP. 11-13
|
|
| 8 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions and ion formation.
|
By the end of the
lesson, the learner
should be able to:
To define an ion and a cation. |
Teacher gives examples of stable atoms.
Guided discovery that metals need to lose one, two or three electrons to attain stability. Examples of positive ions. |
text book
|
K.L.B. BOOK IIPP 14-15
|
|
| 8 | 5-6 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions representation.
Negative ions and ion formation. |
By the end of the
lesson, the learner
should be able to:
To represent formation of positive ions symbolically. To define an anion. To describe formation of negative ions symbolically. |
Diagrammatic representation of cations.
Teacher gives examples of stable atoms. Guided discovery of formation of negative ions. Diagrammatic representation of anions. |
Chart ion model.
|
K.L.B. BOOK IIP 16
K.L.B. BOOK IIP 17 |
|
| 9 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of metals.
|
By the end of the
lesson, the learner
should be able to:
Recall valencies of metals among the first twenty elements in the periodic table. |
Q/A to review previous lesson;
Exposition; Guided discovery. |
Periodic table.
|
K.L.B. BOOK IIP 17
|
|
| 9 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencie of non-metals.
|
By the end of the
lesson, the learner
should be able to:
Recall valencies of non-metals among the first twenty elements in the periodic table. |
Q/A to review previous lesson;
Exposition; Guided discovery. |
Periodic table.
|
K.L.B. BOOK IIP 17
|
|
| 9 | 3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of radicals.
|
By the end of the
lesson, the learner
should be able to:
Define a radical. Recall the valencies of common radicals. |
Exposition ? teacher defines a radical, gives examples of radicals and exposes their valencies.
Students draw a table of radicals and their valencies. |
text book
|
K.L.B. BOOK IIP 18
|
|
| 9 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Oxidation number.
|
By the end of the
lesson, the learner
should be able to:
Define oxidation number. Predict oxidation numbers from position of elements in the periodic table. |
Q/A: Valencies.
Expose oxidation numbers of common ions. Students complete a table of ions and their oxidation numbers. |
The periodic table.
|
K.L.B. BOOK IIvP 18
|
|
| 9 | 5-6 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Electronic configuration, ion formed, valency and oxidation number
|
By the end of the
lesson, the learner
should be able to:
Relate electronic configuration, ion formed, valency and oxidation number of different elements. |
Written exercise;
Exercise review. |
text book
|
K.L.B. BOOK IIP 18
|
|
| 10 | 1 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Chemical formulae of compounds.
- Elements of equal valencies.
|
By the end of the
lesson, the learner
should be able to:
To derive the formulae of some compounds involving elements of equal valencies. |
Discuss formation of compounds such as NaCl, MgO.
|
text book
|
K.L.B. BOOK IIPP 19-20
|
|
| 10 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Chemical formulae of compounds.
-Elements of unequal valencies.
|
By the end of the
lesson, the learner
should be able to:
To derive the formulae of some compounds involving elements of unequal valencies. |
Discuss formation of compounds such as MgCl2
Al (NO3)3 |
text book
|
K.L.B. BOOK IIPP 19-20
|
|
| 10 | 3 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Chemical formulae of compounds.
-Elements of variable valencies.
|
By the end of the
lesson, the learner
should be able to:
To derive the formulae of some compounds involving elements of variable valencies. |
Discuss formation of compounds such as
-Copper (I) Oxide. -Copper (II) Oxide. -Iron (II) Sulphate. -Iron (III) Sulphate. |
text book
|
K.L.B. BOOK IIP 20
|
|
| 10 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Chemical equations.
|
By the end of the
lesson, the learner
should be able to:
To identify components of chemical equations. |
Review word equations;
Exposition of new concepts with probing questions; Brief discussion. |
text book
|
K.L.B. BOOK IIPP 21-23
|
|
| 10 | 5-6 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Balanced chemical equations.
Balanced chemical equations.(contd) |
By the end of the
lesson, the learner
should be able to:
To balance chemical equations correctly. |
Exposition;
Supervised practice. Supervised practice; Written exercise. |
text book
|
K.L.B. BOOK IIPP 24-25
K.L.B. BOOK IIPP 25-8 |
|
| 11 | 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
|
|
| 11 | 2 |
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
|
|
| 11 | 3 |
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
|
|
| 11 | 4 |
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
|
|
| 11 | 5-6 |
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
|
|
| 12 | 1 |
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. |
Descriptive approach: Teacher elucidates uses of alkaline earth metals.
|
text book
Iodine crystals, electrical wire, a bulb. |
K.L.B. BOOK II PP. 45-47
|
|
| 12 | 2 |
CHEMICAL FAMILIES
|
Comparative physical properties of halogens.
Chemical 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
Chlorine, iron wool, bromine. |
K.L.B. BOOK II P. 47
|
|
| 12 | 3 |
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
|
|
| 12 | 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
|
|
| 12 | 5-6 |
CHEMICAL FAMILIES
|
Some uses of halogens and their compounds.
Noble Gases. Comparative physical properties of noble gases. Uses of noble gases. |
By the end of the
lesson, the learner
should be able to:
To state uses of halogens and their compounds. To describe physical properties of noble gases. To explain physical properties of noble gases. |
Teacher elucidates uses of halogens and their compounds.
Make A comparative analysis of tabulated physical properties of noble gases. |
text book
|
K.L.B. BOOK II pp 52
K.L.B. BOOK IIPP. 52-53 |
|
| 13 | 1 |
STRUCTURE & BONDING
|
Chemical bonds.
Ionic bond.
Ionic bond representation. Grant ionic structures. |
By the end of the
lesson, the learner
should be able to:
Describe role of valence electrons in determining chemical bonding. Explain formation of ionic bonding. |
Q/A: Review valence electrons of atoms of elements in groups I, II, III, VII and VIII.
Q/A: Review group I and group VII elements. Discuss formation of ionic bond. |
text book
Chart- dot and cross diagrams. Models for bonding. Giant sodium chloride model. |
K.L.B. BOOK IIP54
PP 57-58 |
|
| 13 | 2 |
STRUCTURE & BONDING
|
Physical properties of ionic compounds.
Covalent bond. |
By the end of the
lesson, the learner
should be able to:
Describe physical properties of ionic compounds. Explain the differences in the physical properties of ionic compounds. |
Analyse tabulated comparative physical properties of ionic compounds.
Teacher asks probing questions. |
text book
|
K.L.B. BOOK IIPP 58-59
|
|
| 13 | 3 |
STRUCTURE & BONDING
|
Co-ordinate bond.
Molecular structure. |
By the end of the
lesson, the learner
should be able to:
To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. |
Exposition- teacher explains the nature of co-ordinate bond.
Students represent co-ordinate bond diagrammatically. |
text book
|
K.L.B. BOOK II P 65
|
|
| 13 | 4 |
STRUCTURE & BONDING
|
Trend in physical properties of molecular structures.
Giant atomic structure in diamond. |
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.
Diagrams in textbooks. |
K.L.B. BOOK IIP 65
|
|
| 13 | 5-6 |
STRUCTURE & BONDING
PROPERTIES AND TRENDS ACROSS PERIOD THREE |
Giant atomic structure in graphite.
Metallic bond. Uses of some metals. Physical properties of elements in periods. |
By the end of the
lesson, the learner
should be able to:
To describe giant atomic structure in graphite. To state uses of graphite. To compare electrical conductivity of elements in period 3 |
Diagrammatic representation of graphite.
Discuss uses of graphite. 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. |
Diagrams in textbooks.
text book The periodic table. |
K.L.B. BOOK II pp 69
K.L.B. BOOK IIP. 76 |
|
| 14 | 1 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in period 3.
Chemical 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
|
|
| 14 | 2 |
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 |
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
|
|
| 14 | 3 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
SALTS |
Chlorides of period 3 elements.
Types of salts. |
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.
text book |
K.L.B. BOOK II PP. 77-78
|
|
| 14 | 4 |
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
|
|
| 14 | 5-6 |
SALTS
|
Solubility of bases in water.
Methods of preparing various salts. Direct synthesis of a salts. |
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. To describe various methods of preparing some salts. |
Class experiments- Dissolve salts in 5cc of water.
Record the solubility in a table, Carry out litmus tests. Discuss the results. Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2. |
Oxides, hydroxides, of various metals, litmus papers.
CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3. Iron, Sulphur |
K.L.B. BOOK IIPP. 94-95
K.L.B. BOOK II pp96 |
|
| 15 | 1 |
SALTS
|
Ionic equations.
|
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. |
Q/A: Ions present in given reactants.
Deduce the products of double decomposition reactions. Give examples of equations. Supervised practice. |
PbNO3, MgSO4 solutions.
|
K.L.B. BOOK II
|
|
| 15 | 2 |
SALTS
|
Effects of heat on carbonates.
Effects of heat on nitrates. |
By the end of the
lesson, the learner
should be able to:
To state effects of heat on carbonates. To predict products resulting from heating metal carbonates. |
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. |
Various carbonates.
Common metal nitrates. |
K.L.B. BOOK II PP. 108-109
|
|
| 15 | 3 |
SALTS
|
Effects of heat on sulphates.
Hygroscopy, Deliquescence and Efflorescence. |
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
|
|
| 15 | 4 |
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 |
Teacher elucidates uses of salts.
|
Various solids, bulb, battery, & wires.
|
K.L.B. BOOK II P. 114
|
|
| 15 | 5-6 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Allotropy.
Physical and chemical properties of diamond, graphite and amorphous carbon Burning carbon and oxygen. Reduction properties of carbon. |
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. Describe reaction of carbon with oxygen. |
Teacher exposes new terms.
Review covalent bond. Discuss boding in diamond and graphite. Teacher demonstration- Prepare oxygen and pass dry oxygen into a tube containing carbon. Heat the carbon. Observe effects on limewater. |
text book
Charcoal, graphite. Carbon, limewater, tube, limewater stand& Bunsen burner. CuO, pounded charcoal, Bunsen burner& bottle top |
K.L.B. BOOK II PP. 131-133
K.L.B. BOOK II PP. 134-135 |
|
| 16 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reaction of carbon with acids.
Preparation of CO2.
Properties 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.
Lime water, Magnesium ribbon, Universal indicator, lit candle. |
K.L.B. BOOK II P.126
|
|
| 16 | 2 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical equations for reactions involving CO2.
Uses of 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
|
|
| 16 | 3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbon monoxide lab preparation.
Chemical properties of carbon monoxide. |
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
|
|
| 16 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbonates and hydrogen carbonates.
Heating carbonates and hydrogen carbonates. |
By the end of the
lesson, the learner
should be able to:
To write chemical equations for reactions of carbonates and hydrogen carbonates with acids. |
Discuss the observations above.
Write chemical equations for the reactions. |
text book
|
K.L.B. BOOK II
|
|
| 16 | 5-6 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Extraction of sodium carbonate from trona.
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
text book, chart |
K.L.B. BOOK II PP. 153-157
K.L.B. BOOK II PP.157-158 |
|
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