Schemes of Work Chemistry Form 2

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KASSU JOINT EVALUATION EXAMINATION CHEMISTRY Paper 2 with answers

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TERM 1

WK	PRD	TOPIC	SUB-TOPIC	SPECIFIC OBJECTIVES	TEACHING/ LEARNING ACTIVITIES	TEACHING/ LEARNING RESOURCES	REFERENCES	REMARKS
1	1	Structure of the atom and the periodic table	Structure of the atom	By the end of the lesson, the learner should be able to: -Define an atom -describe the structure of the atom	⦁ Class discussion, describing the atomic structure using Dalton’s theory. ⦁ Describing the subatomic particles: protons, electrons and neutrons.	⦁ Chart on models of the atom Spotlight chemistry students Book 1&2 pages 91	KLB BK 2 pages 1-2 -Longman KCSE Revision page 88
	2	Structure of the atom and the periodic table	Atomic characteristics	By the end of the lesson, the learner should be able to: -give names and symbols of the first 20 elements	⦁ writing names and symbols of the first 20 elements of the periodic table	⦁ Periodic table or chart showing the first 20 elements with their correct chemical symbols	-KLB chemistry students Book 2 pages 2-3 -Longman KCSE Revision page 88
	3&4	Structure of the atom and the periodic table		By the end of the lesson, the learner should be able to: -define the terms atomic number, mass number, isotopes -calculate the relative atomic mass from relative abundance of isotopes of an element	⦁ Class discussion, doing questions involving calculation of relative atomic masses		KLB chemistry students Book 2 pages 3-4 -Longman KCSE Revision page 89
2	1	Structure of the atom and the periodic table	Electron arrangement	By the end of the lesson, the learner should be able to: -write the electronic configuration of the first 20 elements of the periodic table.	⦁ Writing electronic configuration of elements.		KLB chemistry students Book 2 pages 4-5 Spotlight chemistry page 93-94 Longman KCSE Revision page 90
	2	Structure of the atom and the periodic table	The periodic table	By the end of the lesson, the learner should be able to: -explain the position of an element in the periodic table in terms of electron arrangement	⦁ Discussion on the modern periodic table ⦁ Constructing the periodic table ⦁ Explaining groups and periods	⦁Periodic table of elements	KLB chemistry students Book 2 pages 4-5 Spotlight chemistry page 93-94 Longman KCSE revision chemistry page 90
	3&4	Structure of the atom and the periodic table	Formation of ions	By the end of the lesson, the learner should be able to: -predict the type of ion formed from a given electron arrangement of an atom	⦁ Class discussion on formation of ions ⦁ Defining Cat ions and Anions ⦁ Defining the term ionization energy and electron affinity ⦁ Writing electron arrangement of ions	⦁Periodic table ⦁ Chart showing structure of some ions-cations and anions	KLB chemistry students Book 2 pages12-14 Spotlight page 101-103 -Longman KCSE Revision page 89
3	1	Structure of the atom and the periodic table	Valency and oxidation numbers	By the end of the lesson, the learner should be able to: -define the terms valency and oxidation number of an element	⦁ Defining terms :valence and oxidation number ⦁ Predicting the oxidation numbers of elements through ion formation	⦁ Chart showing valency and oxidation number of some elements and radicals	-KLB chemistry students Book 2 pages 14-16 -Longman KCSE Revision page 89 Spotlight page 104
	2	Structure of the atom and the periodic table	Valency and oxidation numbers of radicals.	By the end of the lesson, the learner should be able to: ⦁ Derive valency and oxidation number of an element from atoms; its position in the periodic table. ⦁ Name and give formulae of common radicals	⦁ Predicting valency and oxidation number of elements ⦁ Defining the term radical ⦁ Writing formulae of common radicals	⦁ Table showing valencies of elements and radicals	Klb chemistry Book 2 pages 14-15 -Longman KCSE Revision page 89 Spotlight chemistry pages 105
	3&4	Structure of the atom and the periodic table	Chemical formulae	By the end of the lesson, the learner should be able to: ⦁ Derive the formulae of some compounds from valencies of elements and radicals	⦁ Writing chemical formulae of compounds ⦁ Deriving chemical formulae of compounds	⦁ Chalkboard illustrations	Klb chemistry students Book 2 pages 16-19 Spotlight chemistry pages 106-107
4	1	Structure of the atom and the periodic table	Chemical equations	By the end of the lesson, the learner should be able to: ⦁ Write simple balanced chemical equations	⦁ Writing and balancing simple chemical equations	⦁ Chalkboard illustrations	Klb bk 2 pages 20- Spotlight pages 107-109
	2	Structure of the atom and the periodic table	Revision (Quiz)	By the end of the lesson, the learner should be able to: ⦁ Define an atom. ⦁ Name the subatomic particles. ⦁ Calculate RAM of elements from isotopic abundances. ⦁ Write electronic configuration of elements and ions. ⦁ Write and balance equations	⦁ Answering questions on the topic structure of the atom and periodic table	⦁ Question papers	Klb chemistry students Book 2 pages 23-25 -Longman KCSE revision chemistry page 92-97
	3&4	Chemical Families: Patterns in properties	Alkali metals	By the end of the lesson, the learner should be able to: ⦁ Identify alkali metals. ⦁ Describe the electronic arrangement for alkali metals. ⦁ State and explain the trends in physical properties of alkali metals.	⦁ Class discussion: ⦁ identifying group 1 elements, ⦁ writing their electronic configurations ⦁ explaining the physicals properties of alkali metals ⦁ Experiment to investigate physical properties of group 1 elements( teacher demonstration)	⦁ Chart on properties of alkali metals ⦁ Samples of lithium, sodium and potassium	Klb chemistry students Book 2 pages 26-28 -Longman KCSE revision chemistry pg90 Spotlight chemistry pages 112-113
5	1	Chemical Families: Patterns in properties	Alkali metals	By the end of the lesson, the learner should be able to: ⦁ Explain the trends down the group for alkali metals in terms of atomic and ionic radius, ease of ion formation and m.p/b.p	⦁ Class discussion on the trends down the group	⦁ Chart showing atomic radius, melting points, boiling points and density for alkali metals	Klb chemistry students Book 2 pages28-29 -Longman KCSE revision chemistry page 90
	2	Chemical Families: Patterns in properties	Chemical properties (Reaction with air)	By the end of the lesson, the learner should be able to: ⦁ Describe the chemical properties of alkali metals	⦁ Observing the reaction of alkali metals with air. ⦁ Identifying the colour of the flames produced. ⦁ Writing chemical equations for the reaction of alkali metals with air	⦁ Pair of tongs. ⦁ Pair of scissors. ⦁ Deflagrating spoons. ⦁ Samples of lithium and sodium.	KLB chemistry students Book 2 page 29
	3&4	Chemical Families: Patterns in properties	Reaction of alkali metals with water	By the end of the lesson, the learner should be able to: ⦁ Describe and explain the reaction of alkali metals with water	⦁ Experiment on the action of cold water on alkali metals. ⦁ Observing the reactions. ⦁ Writing balanced chemical equations	⦁ Samples of lithium, sodium and potassium(very small grain). ⦁ Cold water. ⦁ Trough. ⦁ Goggles	KLB chemistry students Book 2 page 30 Longman KCSE revision chemistry page 90
6	1	Chemical Families: Patterns in properties	Reaction of alkali metals with chlorine	By the end of the lesson, the learner should be able to: ⦁ Describe and explain the reaction of alkali metals with chlorine	⦁ Experiment( teacher demonstration) on action of chlorine on alkali metals ⦁ Observing the reactions and writing chemical equations.	.⦁ Fume cupboard. ⦁ Dry chlorine gas in a gas jar. ⦁ Deflagrating spoon ⦁ Samples of lithium and sodium(tiny grain). ⦁ Source of heat	KLB chemistry students Book 2 page 30-31 Longman KCSE revision chemistry page 90
	2	Chemical Families: Patterns in properties	Similarities of ions and formulae of hydroxides, oxides and chlorides of alkali metals	By the end of the lesson, the learner should be able to: ⦁ Explain the similarities in formulae of compounds by alkali metals	⦁ Class discussion on similarities of chemical formulae	⦁ Chart showing formulae of the compounds of alkali metals	KLB chemistry students Book 2 page 31 32
	3&4	Chemical Families: Patterns in properties	Uses of alkali metals	By the end of the lesson, the learner should be able to: ⦁ Describe the uses of alkali metals	⦁ Discussing uses of alkali metals		KLB chemistry students Book 2 page 32 Spotlight chemistry pg 116
7	1	Chemical Families: Patterns in properties	Alkaline earth metals	By the end of the lesson, the learner should be able to: ⦁ Identify alkaline earth metals. ⦁ Describe the electronic arrangement for alkaline earth metals	⦁ Class discussion ⦁ identifying group 2 elements ⦁ writing their electronic configurations ⦁ explaining the physicals properties of alkaline earth metals.	⦁ Chart on properties of alkaline earth metals. ⦁ Samples of magnesium and calcium.	KLB chemistry students Book 2 pages 33 -Longman KCSE revision chemistry page 91
	2	Chemical Families: Patterns in properties	Physical properties	By the end of the lesson, the learner should be able to: ⦁ Explain the trends in the physical properties of the group 2 elements	⦁ Experiment to investigate physical properties of group 2 elements (teacher demonstratio). ⦁ Observing the colour of alkaline earth metals	⦁ Beryllium. ⦁ Magnesium. ⦁ Calcium.	KLB chemistry students Book 2 pages 34-36 -Longman KCSE revision chemistry page 91 - 93
	3&4	Chemical Families: Patterns in properties Chemical properties	Reaction with water and air	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction of alkaline earth metals with air and water	⦁ Reacting the alkaline earth metals with air and water. ⦁ Recording the observation. ⦁ Writing chemical equations for the reactions.	⦁ Magnesium ribbon. ⦁ Calcium metal. ⦁ Steel wool for cleaning the metals. ⦁ Water. ⦁ Source of heat.	KLB chemistry students Book 2 pages 36- 37 Spotlight chemistry pg 117-118 -Longman KCSE revision chemistry page 91 - 93
8	1	Chemical Families: Patterns in properties	Reaction with chlorine	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction of alkaline earth metals with chlorine	⦁ Reacting alkaline earth metals with chlorine, ⦁ Noting observations and writing equations	⦁ Magnesium ribbon. ⦁ Calcium metal. ⦁ Source of chlorine in a fume cupboard. ⦁ Deflagrating spoon. ⦁ Pair of tongs	KLB chemistry students Book 2 pages 38-39 -Longman KCSE revision chemistry page 91
	2	Chemical Families: Patterns in properties	Reaction with dilute acids	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction of alkaline-earth metals with dilute acids	⦁ Carrying out experiments to show how alkaline earth metals react with dilute acids	⦁ Test tubes. ⦁ Dilute mineral acids, e.g. sulfuric, nitric and hydrochloric acid. ⦁ Magnesium ribbon. ⦁ Calcium metal.	KLB chemistry students Book 2 pages 39-40 -Longman KCSE revision chemistry page 91
	3&4	Chemical Families: Patterns in properties	Uses of alkaline earth metals	By the end of the lesson, the learner should be able to: ⦁ Explain the importance of alkaline earth metals. ⦁ Explain the similarities in formulae of alkaline earth metals	⦁ Class discussion on the uses and similarities in formulae of compounds	⦁ Chart showing formulae of the compounds of alkaline earth metals	KLB chemistry students Book 2 pages 41 -Longman KCSE revision chemistry page 91
9	1	Chemical Families: Patterns in properties	Halogens	By the end of the lesson, the learner should be able to: ⦁ Explain the physical properties of halogens	⦁ Class discussion on appearance and electronic arrangement of halogens	⦁ Chart showing some physical properties of halogens	KLB chemistry students Book 2 pages 41 -Longman KCSE revision chemistry page 91
	2	Chemical Families: Patterns in properties	Trends down the group	By the end of the lesson, the learner should be able to: ⦁ Explain the trends in physical properties of the halogens down the group	⦁ Class discussion	⦁ Chart showing the atomic radii, and ionic radii of halogens boiling and melting points	KLB chemistry students Book 2 pages 42-44 -Longman KCSE revision chemistry page 91
	3&4	Chemical Families: Patterns in properties	Chemical properties of halogens	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction of chlorine with water	⦁ Experiment on reacting chlorine gas with water. ⦁ Investigating the bleaching action of chlorine. ⦁ Discussion and note taking	⦁ Chlorine gas in a small test tube. ⦁ Water in a test tube. ⦁ Blue and red litmus papers.	KLB chemistry students Book 2 pages 48-49 -Longman KCSE revision chemistry page 91
10	1	Chemical Families: Patterns in properties	Reaction of halogens with metals	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction between halogens and metals	⦁ Experiment to investigate reaction between halogens and metals. ⦁ Discussion and note taking.	⦁ Deflagrating spoon. ⦁ Some grain of sodium metal. ⦁ Iron wool. ⦁ Source of chlorine. ⦁ Source of heat. Gas jar.	KLB chemistry students Book 2 pages 45-47 -Longman KCSE revision chemistry page 91 spotlight pg 121-122
	2	Chemical Families: Patterns in properties	Reaction of halogens with metals	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction between halogens and metals	⦁ Experiment to investigate reaction between halogens and metals ⦁ Discussion and note taking	⦁ Deflagrating spoon. ⦁ Zinc metal. ⦁ Iron wool. ⦁ Source of heat. ⦁ Bromine liquid. Iodine crystals. Source of heat. Gas jar.	-Longman KCSE revision chemistry page 91-93
	3&4	Chemical Families: Patterns in properties	Similarity of ions and formulae of compounds and uses of halogens	By the end of the lesson, the learner should be able to: ⦁ Explain the similarities of ions and formulae of the halogen compounds ⦁ Explain the uses of halogens	⦁ Class discussion and note taking.	⦁ Chart showing ions and formulae of halogen compounds	Spotlight chemistry page 122 -Longman KCSE revision chemistry page 91
11	1	Chemical Families: Patterns in properties	Noble gases	By the end of the lesson, the learner should be able to: ⦁ Name the noble gases ⦁ Locate the position of noble gases in the periodic table ⦁ Write the electronic configuration of noble gases	⦁ Locating and identifying noble gases in the periodic table ⦁ Writing the electronic configuration of noble gases ⦁ Explaining the low reactivity of helium, neon and argon	⦁ Chart on properties of noble gases	KLB chemistry students Book 2 pages 50 -Longman KCSE revision chemistry page 92
	2	Chemical Families: Patterns in properties	Uses of noble gases	By the end of the lesson, the learner should be able to: ⦁ Explain the uses of noble gases	⦁ Class discussion and note taking	⦁ Chalkboard	KLB chemistry students Book 2 pages 51 Spotlight page 124 -Longman KCSE revision chemistry page 92
	3&4	Chemical Families: Patterns in properties	Properties and trends across a period	By the end of the lesson, the learner should be able to: ⦁ Identify the period three elements. ⦁ Explain the trends in physical properties of elements across the period	⦁ Identifying the period three elements ⦁ Writing the electronic arrangement ⦁ Explaining the trends in physical properties	⦁ Periodic table. ⦁ Chart showing the physical properties of the period three elements.	KLB chemistry students Book 2 pages 52-54 -Longman KCSE revision chemistry page 103 Spotlight chemistry pg 124-125
12	1	Chemical Families: Patterns in properties	Chemical properties	By the end of the lesson, the learner should be able to: ⦁ State and explain the trends in chemical behavior of elements in period 3	⦁ Discussing and writing chemical equations on reaction of period three elements with air. ⦁ Explaining the nature of oxides formed	⦁ Chalkboard illustrations ⦁ (experiments on this subtopic had earlier been done)	KLB chemistry students Book 2 pages 55-57 -Longman KCSE revision chemistry page 102
	2		Chemical Families	By the end of the lesson, the learner should be able to: ⦁ Describe the reaction of the period three elements with acids and water	⦁ Class discussion on reaction between hydrochloric acid and the period three elements ⦁ Writing equations on the reaction of period three elements with water	⦁ Water ⦁ Trough ⦁ Dilute acids ⦁ Sodium ⦁ Magnesium	KLB chemistry students Book 2 pages 57-59 -Longman KCSE revision chemistry page 104 Spotlight chemistry pg 127-128
	3&4	Chemical families	Revision	By the end of the lesson, the learner should be able to: ⦁ Recall all aspects of what was taught on chemical families	⦁ Class discussion ⦁ Question answering ⦁ Writing and balancing equations	⦁ Quiz ⦁ Revision questions on the topic chemical families	KLB chemistry students Book 2 pages 60-61 Longman KCSE revision chemistry page 104

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KASSU JOINT EVALUATION EXAMINATION CHEMISTRY Paper 2 with answers

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