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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 |
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 | 3-4 |
CHEMICAL FAMILIES
|
Chemical properties of alkaline earth metals.
Reaction of alkaline earth metals with water.
Reaction of alkaline earth metals with chlorine gas. |
By the end of the
lesson, the learner
should be able to:
To describe reaction of alkaline earth metals with water. To write balanced equations for reaction of alkaline earth metals with chlorine gas. |
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. 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. |
Some alkaline earth metals.
Sodium, chlorine. |
K.L.B. BOOK IIP. 39
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 |
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 | 3-4 |
CHEMICAL FAMILIES
|
Chemical formulae of alkaline earth metals.
Uses of some alkaline earth metals and their compounds. |
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. State uses 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. Descriptive approach: Teacher elucidates uses of alkaline earth metals. |
text book
|
K.L.B. BOOK II PP. 45-47
K.L.B. BOOK II PP. 45-47 |
|
4 | 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 |
|
4 | 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
|
|
4 | 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 |
|
5 | 1 |
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 | 2 |
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 | 3-4 |
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 |
|
6 | 1 |
STRUCTURE & BONDING
|
Chemical bonds.
Ionic bond.
Ionic bond representation. |
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. |
K.L.B. BOOK IIP54
PP 57-58 |
|
6 | 2 |
STRUCTURE & BONDING
|
Grant ionic structures.
|
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.
|
K.L.B. BOOK II PP 56-58
|
|
6 | 3-4 |
STRUCTURE & BONDING
|
Physical properties of ionic compounds.
Covalent bond. Co-ordinate 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. To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. |
Analyse tabulated comparative physical properties of ionic compounds.
Teacher asks probing questions. Exposition- teacher explains the nature of co-ordinate bond. Students represent co-ordinate bond diagrammatically. |
text book
|
K.L.B. BOOK IIPP 58-59
K.L.B. BOOK II P 65 |
|
7 | 1 |
STRUCTURE & BONDING
|
Molecular structure.
Trend in physical properties of molecular structures. |
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
Sugar, naphthalene, iodine rhombic sulphur. |
K.L.B. BOOK IIP 65
|
|
7 | 2 |
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
|
|
7 | 3-4 |
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 |
|
8 |
Midterm Examination |
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9 |
Midterm |
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10 | 1 |
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
|
|
10 | 2 |
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
|
|
10 | 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 |
|
11 | 1 |
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
|
|
11 | 2 |
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
|
|
11 | 3-4 |
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
|
|
13 |
Endterm Examination |
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14 |
Marking and closing of school |
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