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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 3 |
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 |
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
Some alkaline earth metals. |
K.L.B. BOOK IIP. 38
|
|
| 2 | 4 |
CHEMICAL FAMILIES
|
Reaction of alkaline earth metals with chlorine gas.
Reaction of alkaline earth metals with dilute acids. Chemical formulae of alkaline earth metals. Uses of some alkaline earth metals and their compounds. 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:
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.
revision book text book Iodine crystals, electrical wire, a bulb. Chlorine, iron wool, bromine. |
K.L.B. BOOK II P. 41
|
|
| 2 | 5 |
CHEMICAL FAMILIES
STRUCTURE & BONDING STRUCTURE & BONDING STRUCTURE & BONDING STRUCTURE & BONDING |
Equations of reaction of halogens with metals.
Reaction of halogens with water. Some uses of halogens and their compounds. Noble Gases. Comparative physical properties of noble gases. Uses of noble gases. Chemical bonds. Ionic bond. Ionic bond representation. Grant ionic structures. Physical properties of ionic compounds. |
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
Chlorine gas, litmus papers. Chart- dot and cross diagrams. Models for bonding. Giant sodium chloride model. |
K.L.B. BOOK II P. 50
|
|
| 3 | 1 |
STRUCTURE & BONDING
PROPERTIES AND TRENDS ACROSS PERIOD THREE PROPERTIES AND TRENDS ACROSS PERIOD THREE PROPERTIES AND TRENDS ACROSS PERIOD THREE |
Covalent bond.
Co-ordinate bond. Molecular structure. Trend in physical properties of molecular structures. Giant atomic structure in diamond. Giant atomic structure in graphite. Metallic bond. Uses of some metals. 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:
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
Sugar, naphthalene, iodine rhombic sulphur. Diagrams in textbooks. The periodic table. |
K.L.B. BOOK II PP 60-63
|
|
| 3 | 2 |
PROPERTIES AND TRENDS ACROSS PERIOD THREE
SALTS SALTS SALTS SALTS SALTS SALTS SALTS SALTS SALTS SALTS SALTS EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES. |
Chemical properties of elements in the third period.
Oxides of period 3 elements. Chlorides of period 3 elements. Types of salts. Solubility of salts in water. Solubility of bases in water. Methods of preparing various salts. Direct synthesis of a salts. Ionic equations. Effects of heat on carbonates. Effects of heat on nitrates. Effects of heat on sulphates. Hygroscopy, Deliquescence and Efflorescence. Uses of salts. Electrical conductivity. |
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.
text book Sulphates, chlorides, nitrates, carbonates of various metals. Oxides, hydroxides, of various metals, litmus papers. CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3. Iron, Sulphur PbNO3, MgSO4 solutions. Various carbonates. Common metal nitrates. Common sulphates. Various solids, bulb, battery, & wires. |
K.L.B. BOOK II PP. 80-81
|
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