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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1-2 |
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
|
|
| 2 | 3 |
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
|
|
| 2 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Negative ions and ion formation.
|
By the end of the
lesson, the learner
should be able to:
To define an anion. To describe formation of negative ions symbolically. |
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 17
|
|
| 2 | 5 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Negative ions and ion formation.
|
By the end of the
lesson, the learner
should be able to:
To define an anion. To describe formation of negative ions symbolically. |
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 17
|
|
| 3 | 1-2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Valencies of metals.
Valencie of non-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. 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
|
|
| 3 | 3 |
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
|
|
| 3 | 4 |
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
|
|
| 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
|
|
| 4 | 1-2 |
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
|
|
| 4 | 3 |
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
|
|
| 4 | 4 |
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
|
|
| 4 | 5 |
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
|
|
| 5 | 1-2 |
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
|
|
| 5 | 3 |
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
|
|
| 5 | 4 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Balanced chemical equations.
|
By the end of the
lesson, the learner
should be able to:
To balance chemical equations correctly. |
Exposition;
Supervised practice. |
text book
|
K.L.B. BOOK IIPP 24-25
|
|
| 5 | 5 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
|
Balanced chemical equations.
|
By the end of the
lesson, the learner
should be able to:
To balance chemical equations correctly. |
Exposition;
Supervised practice. |
text book
|
K.L.B. BOOK IIPP 24-25
|
|
| 6 | 1-2 |
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
CHEMICAL FAMILIES |
Balanced chemical equations.(contd)
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 balance chemical equations correctly. To describe reaction of alkaline earth metals with oxygen |
Supervised practice;
Written exercise. 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 IIPP 25-8
K.L.B. BOOK IIP. 38 |
|
| 6 | 3 |
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
|
|
| 6 | 4 |
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
|
|
| 6 | 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
|
|
| 7 | 1-2 |
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
|
|
| 7 | 3 |
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 | 4 |
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 | 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
|
|
| 8 | 1-2 |
CHEMICAL FAMILIES
|
Halogens.
Physical properties of halogens.
Comparative physical properties of halogens. Chemical 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. To state and explain the trends in physical properties of halogens. |
Teacher demonstration: - To examine electrical properties of iodine, solubility in water of chlorine.
Examine a comparative table of physical properties of halogens. Discuss the deductions made from the table. |
Iodine crystals, electrical wire, a bulb.
text book Chlorine, iron wool, bromine. |
KLB BK II
P. 47 K.L.B. BOOK II P. 47 |
|
| 8 | 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
|
|
| 8 | 4 |
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
|
|
| 8 | 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
|
|
| 9 |
MID TERM |
|||||||
| 10 | 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
|
|
| 10 | 3 |
CHEMICAL FAMILIES
|
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 describe physical properties of noble gases. To explain physical properties of noble gases. |
Make A comparative analysis of tabulated physical properties of noble gases.
|
text book
|
K.L.B. BOOK IIPP. 52-53
|
|
| 10 | 4 |
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 |
|
| 10 | 5 |
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 | 1-2 |
STRUCTURE & BONDING
|
Covalent bond.
Co-ordinate bond. Molecular structure. |
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. To describe the co-ordinate bond To represent co-ordinate bond diagrammatically. |
Exposition: Shared pair of electrons in a hydrogen molecule, H2O, NH3, Cl2, and CO2.
Drawing of dot-and-cross diagrams of covalent bonds. Exposition- teacher explains the nature of co-ordinate bond. Students represent co-ordinate bond diagrammatically. |
text book
|
K.L.B. BOOK II PP 60-63
K.L.B. BOOK II P 65 |
|
| 11 | 3 |
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
|
|
| 11 | 4 |
STRUCTURE & BONDING
|
Giant atomic structure in diamond.
Giant atomic structure in graphite. |
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 | 5 |
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 | 1 |
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 | 1-2 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
|
Physical properties of elements in periods.
Physical 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 |
|
| 12 | 3 |
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
|
|
| 12 | 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 |
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 | 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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