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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 |
OPENING-REVISION OF THE PREVIOUS EXAM |
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| 2 | 1 |
CHEMICAL FAMILIES
|
Alkali metals.
Atomic and ionic radii of alkali metals
|
By the end of the
lesson, the learner
should be able to:
Identify alkali metals. State changes in atomic and ionic radii of alkali metals. |
Q/A to reviews elements of group I and their electronic configuration. Examine a table of elements, their symbols and atomic & ionic radii. Discussion & making deductions from the table. |
The periodic
|
K.L.B. BOOK IIPP 28-29
|
|
| 2 | 2 |
CHEMICAL FAMILIES
|
Alkali metals.
Atomic and ionic radii of alkali metals
|
By the end of the
lesson, the learner
should be able to:
Identify alkali metals. State changes in atomic and ionic radii of alkali metals. |
Q/A to reviews elements of group I and their electronic configuration. Examine a table of elements, their symbols and atomic & ionic radii. Discussion & making deductions from the table. |
The periodic
|
K.L.B. BOOK IIPP 28-29
|
|
| 2 | 3-4 |
CHEMICAL FAMILIES
|
Ionisation energy of alkali metals.
Physical properties of alkali metals. |
By the end of the
lesson, the learner
should be able to:
State changes in number of energy levels and ionisation energy of alkali metals. State and explain trends in physical properties of alkali metals. |
Examine a table of elements, number of energy levels and their ionization energy.
Discuss the trend deduced from the table. Examine a table showing comparative physical properties of Li, Na, and K. Q/A: Teacher asks probing questions as students refer to the table for answers. Detailed discussion on physical properties of alkali metals. |
text book
Chart ? comparative properties of Li, Na, K. |
K.L.B. BOOK II
K.L.B. BOOK IIPP 30-31 |
|
| 2 | 5 |
CHEMICAL FAMILIES
|
Physical properties of alkali metals.
|
By the end of the
lesson, the learner
should be able to:
State and explain trends in physical properties of alkali metals. |
Examine a table showing comparative physical properties of Li, Na, and K.
Q/A: Teacher asks probing questions as students refer to the table for answers. Detailed discussion on physical properties of alkali metals. |
Chart ? comparative properties of Li, Na, K.
|
K.L.B. BOOK IIPP 30-31
|
|
| 3 | 1 |
CHEMICAL FAMILIES
|
Chemical properties of alkali metals.
|
By the end of the
lesson, the learner
should be able to:
To describe reaction of alkali metals with water. |
Q/A: Review reaction of metals with water.
Writing down chemical equations for the reactions. Deduce and discuss the order of reactivity down the group. |
text book
|
K.L.B. BOOK IIP. 32
|
|
| 3 | 2 |
CHEMICAL FAMILIES
|
Reaction of alkali metals with chlorine gas.
|
By the end of the
lesson, the learner
should be able to:
To write balanced equations for reaction of alkali 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. |
Sodium, chlorine.
|
K.L.B. BOOK IIP. 33
|
|
| 3 | 3-4 |
CHEMICAL FAMILIES
|
Reaction of alkali metals with chlorine gas.
Compounds of alkali metals. |
By the end of the
lesson, the learner
should be able to:
To write balanced equations for reaction of alkali metals with chlorine gas. Write chemical formulae for compounds of alkali metals. Explain formation of hydroxides, oxides and chlorides of alkali metals. |
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. Exercise: Completing a table of hydroxides, oxides and chlorides of alkali metals. Discuss combination of ions of alkali metals with anions. |
Sodium, chlorine.
text book |
K.L.B. BOOK IIP. 33
K.L.B. BOOK II pp 33 |
|
| 3 | 5 |
CHEMICAL FAMILIES
|
Compounds of alkali metals.
|
By the end of the
lesson, the learner
should be able to:
Write chemical formulae for compounds of alkali metals. Explain formation of hydroxides, oxides and chlorides of alkali metals. |
Exercise: Completing a table of hydroxides, oxides and chlorides of alkali metals.
Discuss combination of ions of alkali metals with anions. |
text book
|
K.L.B. BOOK II pp 33
|
|
| 4 | 1 |
CHEMICAL FAMILIES
|
Uses of alkali metals.
|
By the end of the
lesson, the learner
should be able to:
State uses of alkali metals. |
Descriptive approach: Teacher elucidates uses of alkali metals.
|
text book
|
K.L.B. BOOK II pp 34
|
|
| 4 | 2 |
CHEMICAL FAMILIES
|
Alkaline Earth metals
Atomic and ionic radii of alkaline earth metals.
|
By the end of the
lesson, the learner
should be able to:
Identify alkaline earth metals. State changes in atomic and ionic radii of alkaline earth metals. |
Q/A: Elements of group I and their electron configuration.
Examine a table of elements, their symbols and atomic & ionic radii. Make deductions from the table. |
Some alkaline earth metals.
|
K.L.B. BOOK II pp 34
|
|
| 4 | 3-4 |
CHEMICAL FAMILIES
|
Alkaline Earth metals
Atomic and ionic radii of alkaline earth metals.
Physical properties of alkaline earth metals. |
By the end of the
lesson, the learner
should be able to:
Identify alkaline earth metals. State changes in atomic and ionic radii of alkaline earth metals. State and explain trends in physical properties of alkaline earth metals. |
Q/A: Elements of group I and their electron configuration.
Examine a table of elements, their symbols and atomic & ionic radii. Make deductions from the table. Examine a table showing comparative physical properties of Be, Mg, Ca. Q/A: Teacher asks probing questions as students refer to the table for answers. Detailed discussion of physical properties of alkaline earth metals. |
Some alkaline earth metals.
|
K.L.B. BOOK II pp 34
K.L.B. BOOK II P. 35 |
|
| 4 | 5 |
CHEMICAL FAMILIES
|
Electrical properties of alkaline earth metals.
|
By the end of the
lesson, the learner
should be able to:
To describe electrical properties of alkaline earth metals. |
Teacher demonstration: -
To show alkaline metals are good conductors of electric charge. |
Alkaline earth metals.
|
K.L.B. BOOK IIP. 37
|
|
| 5 | 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
|
|
| 5 | 2 |
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
|
|
| 5 | 3-4 |
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 |
|
| 5 | 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
|
|
| 6 | 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
|
|
| 6 | 2 |
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
|
|
| 6 | 3-4 |
CHEMICAL FAMILIES
|
Reaction of alkaline earth metals with dilute acids.
Chemical formulae of alkaline earth metals. |
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. Write chemical formulae for compounds of alkaline earth metals. Explain formation of hydroxides, oxides and chlorides of alkaline earth metals. |
Changing word to chemical equations.
Supervised practice. Exercise: Completing a table of hydroxides, oxides and chlorides of alkaline earth metals. Discuss combination of ions of alkaline earth metals with anions. |
revision book
text book |
K.L.B. BOOK II PP. 43
K.L.B. BOOK II PP. 45-47 |
|
| 6 | 5 |
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
|
|
| 7 | 1 |
CHEMICAL FAMILIES
|
Halogens.
Physical properties of halogens.
|
By the end of the
lesson, the learner
should be able to:
Identify halogens in the periodic table. Give examples of halogens. Identify physical states of halogens. |
Teacher demonstration: - To examine electrical properties of iodine, solubility in water of chlorine.
|
Iodine crystals, electrical wire, a bulb.
|
KLB BK II
P. 47 |
|
| 7 | 2 |
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
|
|
| 7 | 3-4 |
CHEMICAL FAMILIES
|
Chemical properties of halogens.
Equations of reaction of halogens with metals. |
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. To write balanced chemical equations of reactions involving halogens. |
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. Re-write word equations as chemical equations then balance them. Supervised practice. |
Chlorine, iron wool, bromine.
text book |
K.L.B. BOOK IIPP. 48-50
K.L.B. BOOK II P. 50 |
|
| 7 | 5 |
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
|
|
| 8 | 1 |
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
|
|
| 8 | 2 |
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
|
|
| 8 | 1-2 |
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
|
|
| 8 | 3-4 |
CHEMICAL FAMILIES
CHEMICAL FAMILIES STRUCTURE & BONDING |
Noble Gases.
Comparative physical properties of noble gases.
Uses of noble gases. Chemical bonds. Ionic bond. |
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. State uses of noble gases. |
Make A comparative analysis of tabulated physical properties of noble gases.
Teacher elucidates uses of noble gases. |
text book
|
K.L.B. BOOK IIPP. 52-53
K.L.B. BOOK IIP. 54 |
|
| 8 | 5 |
STRUCTURE & BONDING
|
Ionic bond representation.
|
By the end of the
lesson, the learner
should be able to:
Use dot and cross diagrams to represent ionic bonding. |
Drawing diagrams of ionic bonds.
|
Chart- dot and cross diagrams.
Models for bonding. |
K.L.B. BOOK II P. 58
|
|
| 9 |
MID TERM EXAM |
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| 9 |
MID TERM BREAK |
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| 10 | 1 |
STRUCTURE & BONDING
|
Grant ionic structures.
Physical properties of ionic compounds. |
By the end of the
lesson, the learner
should be able to:
Describe the crystalline ionic compound. Give examples of ionic substances. |
Discuss the group ionic structures of NaCl.
Teacher gives examples of other ionic substances: KNO3, potassium bromide, Ca (NO3)2, sodium iodide. |
Giant sodium chloride model.
text book |
K.L.B. BOOK II PP 56-58
|
|
| 10 | 2 |
STRUCTURE & BONDING
|
Covalent bond.
|
By the end of the
lesson, the learner
should be able to:
Explain the formation of covalent bond Use dot and cross diagrams to represent covalent bond. |
Exposition: Shared pair of electrons in a hydrogen molecule, H2O, NH3, Cl2, and CO2.
Drawing of dot-and-cross diagrams of covalent bonds. |
text book
|
K.L.B. BOOK II PP 60-63
|
|
| 10 | 3-4 |
STRUCTURE & BONDING
|
Co-ordinate bond.
Molecular structure. Trend in physical properties of molecular structures. |
By the end of the
lesson, the learner
should be able to:
To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. To describe van- der -waals forces. To explain the trend in physical properties of molecular structures. |
Exposition- teacher explains the nature of co-ordinate bond.
Students represent co-ordinate bond diagrammatically. Discuss comparative physical properties of substances. exhibiting molecular structure. Explain variation in the physical properties. |
text book
Sugar, naphthalene, iodine rhombic sulphur. |
K.L.B. BOOK II P 65
K.L.B. BOOK IIP 65 |
|
| 10 | 5 |
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
|
|
| 11 | 1 |
STRUCTURE & BONDING
|
Giant atomic structure in graphite.
Metallic bond. Uses of some metals. |
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.
text book |
K.L.B. BOOK II pp 69
|
|
| 11 | 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
|
|
| 11 | 3-4 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in periods.
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 electrical conductivity of elements in period 3 To compare other physical properties of elements across 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. 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 IIP. 76
K.L.B. BOOK II P. 77 |
|
| 11 | 5 |
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
|
|
| 12 | 1 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Oxides of period 3 elements.
Chlorides of period 3 elements. |
By the end of the
lesson, the learner
should be able to:
To identify bonds across elements in period 3. To explain chemical behavior of their oxide. |
Comparative analysis, discussion and explanation.
|
The periodic table.
|
K.L.B. BOOK II P. 84
|
|
| 12 | 2 |
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
|
|
| 12 | 3-4 |
SALTS
|
Solubility of salts in water.
Solubility of bases 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. To test solubility of various bases in water. To carry out litmus test on the resulting solutions. |
Class experiments- Dissolve salts in 5 cc of water.
Record the solubility in a table, Analyse the results. Class experiments- Dissolve salts in 5cc of water. Record the solubility in a table, Carry out litmus tests. Discuss the results. |
Sulphates, chlorides, nitrates, carbonates of various metals.
Oxides, hydroxides, of various metals, litmus papers. |
K.L.B. BOOK II PP. 92-93
K.L.B. BOOK IIPP. 94-95 |
|
| 12 | 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
|
|
| 13 | 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
|
|
| 13 | 2 |
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
|
|
| 13 | 3 |
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
|
|
| 14 |
END TERM EXAM |
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