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WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
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1 |
OPENER EXAM |
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2 | 1 |
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
|
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2 | 2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Positive ions representation.
|
By the end of the
lesson, the learner
should be able to:
To represent formation of positive ions symbolically. |
Diagrammatic representation of cations.
|
Chart ion model.
|
K.L.B. BOOK IIP 16
|
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2 | 3-4 |
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 |
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2 | 5 |
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
|
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3 | 1 |
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
|
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3 | 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
|
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3 | 3-4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of radicals.
Oxidation number. |
By the end of the
lesson, the learner
should be able to:
Define a radical. Recall the valencies of common radicals. Define oxidation number. Predict oxidation numbers from position of elements in the periodic table. |
Exposition ? teacher defines a radical, gives examples of radicals and exposes their valencies.
Students draw a table of radicals and their valencies. Q/A: Valencies. Expose oxidation numbers of common ions. Students complete a table of ions and their oxidation numbers. |
text book
The periodic table. |
K.L.B. BOOK IIP 18
K.L.B. BOOK IIvP 18 |
|
3 | 5 |
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
|
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4 | 1 |
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
|
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4 | 2 |
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
|
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4 | 3-4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Chemical formulae of compounds.
- Elements of equal valencies.
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 equal valencies. To derive the formulae of some compounds involving elements of unequal valencies. |
Discuss formation of compounds such as NaCl, MgO.
Discuss formation of compounds such as MgCl2 Al (NO3)3 |
text book
|
K.L.B. BOOK IIPP 19-20
|
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4 | 5 |
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
|
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5 | 1 |
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
|
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5 | 2 |
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
|
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5 | 3-4 |
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 |
|
5 | 5 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Balanced chemical equations.(contd)
|
By the end of the
lesson, the learner
should be able to:
To balance chemical equations correctly. |
Supervised practice;
Written exercise. |
text book
|
K.L.B. BOOK IIPP 25-8
|
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6 | 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
|
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6 | 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
|
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6 | 3-4 |
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
|
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6 | 5 |
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
|
|
7 | 1 |
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
|
|
7 | 2 |
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
|
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7 | 3-4 |
CHEMICAL FAMILIES
|
Uses of some alkaline earth metals and their compounds.
Halogens. Physical properties of halogens. Comparative 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. text book |
K.L.B. BOOK II PP. 45-47
KLB BK II P. 47 |
|
7 | 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
|
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8 | 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
|
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8 | 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
|
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8-9 |
MID TERM EXAM |
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9-10 |
MID TERM BREAK |
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10 | 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
|
|
10 | 3-4 |
CHEMICAL FAMILIES
CHEMICAL FAMILIES STRUCTURE & BONDING |
Some uses of halogens and their compounds.
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 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 |
|
10 | 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
|
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11 | 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
|
|
11 | 2 |
STRUCTURE & BONDING
|
Covalent bond.
Co-ordinate 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
|
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11 | 3-4 |
STRUCTURE & BONDING
|
Molecular structure.
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 the molecular structure. To give examples of substance exhibiting molecular structure To describe van- der -waals forces. To explain the trend in physical properties of molecular structures. |
Discussion ? To explain formation of the giant structure and give examples of substance exhibiting molecular structure.
Discuss comparative physical properties of substances. exhibiting molecular structure. Explain variation in the physical properties. |
text book
Sugar, naphthalene, iodine rhombic sulphur. Diagrams in textbooks. |
K.L.B. BOOK IIP 65
|
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11 | 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
|
|
12 | 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
|
|
12 | 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
|
|
12 | 3-4 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in period 3.
Chemical properties of elements in period 3. 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 other physical properties of elements across period 3. To compare reactions of elements in period 3 with water |
Analyse comparative physical properties presented in form of a table.
Explain the trend in the physical properties given. 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 P. 77
K.L.B. BOOK II PP. 80-81 |
|
12 | 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
|
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13 |
END TERM EXAM |
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14 |
EXAM MARKING SCHOOL CLOSING. |
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