LEARNING/TEACHING ACTIVITIES. Explaining the meaning of atom Describing Dalton s theory of atom Describing Rutherford s model of the atom

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3 For use with Form Two Schemes of Work: Term One WEEK 1 the atom Names and symbols of elements define an atom. describe different models of the atom. learner should be able to give names and correct symbols of the first 20 elements of the periodic. Explaining the meaning of atom Describing Dalton s theory of atom Describing Rutherford s model of the atom Identifying the names of the first 20 elements of Practicing how to write the correct symbols of the first 20 elements of Chart on models of the atom Improvised models of the atom The periodic Chart on english and latin names of elements Table of elements and corresponding symbols pages 1 2 pages 1 2 page 2 pages 1 3 WEEK 2 Properties of the sub-atomic particles Electron arrangement of the first 20 elements of describe proton, neutron and electron. make a simplified model of the atom. describe the structure of the atom. write the electron arrangement of the first 20 elements of. Defining proton, neutron and electron Constructing a tabular summary of the of proton, neutron and electron Drawing a simple model of the atom Describing the structure of the atom Explaining the position of an element in the periodic Model of atom and energy levels Chart on the of proton, neutron and electron Chart on models of the atom Periodic Models of atoms pages 2 3 page 3 pages 3 6 pages NOT FOR SALE

4 For use with Models of electron arrangement. learner should be able to draw the electron arrangement according to Bohr s model. Discussion on the points in Bohr s theory of the atom Drawing electron arrangement based on atomic numbers A chart on the dot and cross models of electron arrangement pages 5 6 pages 4 6 Form 2 Term 1 WEEK 3 Atomic characteristics learner should be able to define atomic number, mass number, isotopes and relative atomic mass. Defining atomic number, mass numbers and isotopes Identifying isotopes and giving examples Defining relative atomic mass Solving problems on atomic number, mass number and isotopes Model of electron arrangement The periodic Chart on common isotopes of carbon, chlorine, oxygen and neon pages 6 9 pages 3 6 WEEK 4 Relative atomic mass and isotopes. The periodic learner should be able to calculate relative atomic mass from isotopic composition. learner should be able to explain the position of an element in in terms of its electron arrangements. Explaining relative atomic mass Calculating relative atomic mass Discussing the history of Explaining Mendeleev s periodic law Constructing part of the periodic showing the first 20 elements Chart on examples of correct calculations of relative atomic mass The periodic Chart on the history of pages 9 11 pages 3 6 pages pages NOT FOR SALE

5 For use with WEEK 6 WEEK 5 Ion formation Ionization energy and electron affinity Valency and oxidation numbers Valency, oxidation numbers and radicals learner should be able to predict the type of ion formed from a given electron arrangement of an atom. learner should be able to define ionization energy and electron affinity. learner should be able to define valency and oxidation number of an element. predict valencies and oxidization numbers from the position of elements in the periodic. define radicals and state the valencies. Explaining ion formation by loss or gain of electrons Predicting and drawing the structure of ions of named elements Defining ionization energy and electron affinity Explaining trends in ionization energy and electron affinity Defining valency and oxidation number Discussion on the of valencies of elements and radicals Predicting valencies, and oxidation numbers of elements Defining the term radical Discussion on of valencies for common radicals The periodic Chart on electron arrangement and ion formation Rules for predicting type of ion formed by an element in view of electron arrangement Table of values of electron affinity and ionization energy Periodic Table of valencies of elements and radicals Ball and stick model of atoms The Hook model of valencies Table of valencies and oxidation numbers The Hook model, the ball and stick model of valencies pages pages 4 6 pages pages 4 6 pages pages 4 6 pages pages 4 6 Form 2 Term NOT FOR SALE

6 For use with WEEK 8 WEEK 7 formulae formulae equations Project learner should be able to derive the formulae of some from valencies of elements and radicals. learner should be able to solve problems on chemical formulae. write simple balanced chemical equations. use state symbols. learner should be able to design an atomic model. Discussing the procedure for deriving the chemical formulae of Deriving chemical formulae of Writing correct chemical formulae of selected compound Writing balanced chemical equations Discussing state symbols Using state symbols Balancing chemical equations project on atomic model Chart on chemical formulae of some Table of valencies Quiz on chemical formulae Chart on the procedure of balancing chemical equations Sellotape Polystyrene Marbles Wire pages pages 4 6 pages pages 4 6 pages pages 4 6 page 25 pages 3 6 Form 2 Term NOT FOR SALE

7 For use with WEEK 10 WEEK 9 Alkali Alkali Reaction of alkali with chloride Uses of alkali identify alkali. describe the electronic arrangement for alkali. state and explain their physical. the chemical of alkali. and explain the reaction of alkali with chlorine. the uses of alkali with chlorine. Identifying group I elements Describing electronic arrangement of alkali Explaining physical of alkali Observing the reaction of alkali with air Describing the reaction of alkali with cold water experiments on reaction of alkali with chlorine gas Writing equations for reactions of alkali with chlorine Discussing the uses of alkali Listing the uses of alkali Samples of well stored alkali Chart on of alkali Deflagrating spoon Alkali Trough Water Tongs Knife Gas jar Deflagrating spoon Lithium Sodium Potassium Source of chlorine Petri dish Bunsen burner Chart on uses of alkali Chart on formulae of alkali metal pages pages pages pages pages pages pages pages Form 2 Term NOT FOR SALE

8 For use with WEEK 12 WEEK 11 Alkaline-earth (Group II) Alkaline-earth Alkaline-earth Alkaline-earth identify alkaline-earth. write the electron arrangement of alkaline-earth. state and explain physical of alkaline-earth. describe the reaction of alkaline-earth with air. the reaction of alkaline-earth with cold water. the reaction of alkaline-earth with chlorine gas. Explaining the electron arrangement and gradation in size of alkaline-earth Explaining ionization energies Discussion on physical of alkalineearth experiments on reaction of group II with air Writing equations for appropriate reactions experiments on reaction of alkaline-earth with cold water Discussion on the observed results of the experiments experiments on reaction of alkaline-earth with chlorine gas Observing and describing the reaction of group II with chlorine gas Periodic Chart on atomic radius and ionization energy for alkalineearth Table of physical for group II Pair of tongs Bunsen burner Test tubes Measuring cylinders Magnesium ribbon Calcium Phenolphthalein Test tubes Bunsen burner Wooden splint Filter funnel Filter paper Magnesium Calcium Phenolphthalein Distilled water Gas jar Deflagrating spoon Bunsen burner Magnesium ribbon Calcium Chlorine gas pages pages pages pages pages pages pages pages Form 2 Term NOT FOR SALE

9 For use with WEEK 13 Alkaline-earth Importance of alkaline-earth the reaction of alkaline-earth with dilute acids. explain the similarities in formulae of alkaline-earth. explain the importance of group II. experiments on reaction of magnesium and calcium with dilute acids Writing of relevant equations Discussing the importance of group II Explaining the similarities in formulae of alkaline-earth 3 test-tubes Bunsen burner Test-tube rack Measuring cylinder Dilute hydrochloric acid Dilute sulphuric acid Magnesium ribbon Calcium Chart on the importance of alkaline-earth (group II) pages pages pages pages Form 2 Term 1 WEEK 14 Revision and end of term examination 126 NOT FOR SALE

10 For use with Form Two Schemes of Work: Term Two WEEK Revision Revision of term one s work learner should be able to identify and explain concepts learnt in term one. Answering questions Quiz Discussion on topics previously covered Assignments Quiz Review questions pages 1 68 Objectives in the Halogens locate the position of halogens in. name the halogens giving their electronic arrangement and their valency. Discussion on location of halogens in the periodic Identifying halogens Writing the electron arrangement of halogens Periodic pages pages WEEK 2 Physical of halogens explain the physical of halogens. give the formulae of metal halides of sodium, calcium, iron, phosphorous. explain the changes of ionic and atomic radii down the group. Explaining the physical of halogens Writing the formulae of metal halides of Na, Ca, Fe and Ph Explaining the changes of ionic and atomic radii down the group Periodic Chart showing on physical of halogens pages pages WEEK 3 Halogens the reaction of halogens with. experiments to investigate the reaction between halogens and Discussion on the results obtained Apparatus and chemicals listed on page 47 Student s Book 2 pages pages NOT FOR SALE

11 For use with WEEK 3 Halogens the reaction between halogens and water. experiments to investigate the reaction between halogens and water Discussion on observation made Chlorine gas generator 2 test tubes Measuring cylinder Spatula KMnO 4 Conc. HCl Bromine, iodine Distilled water pages pages Form 2 Term 2 WEEK 4 Halogens Uses of halogens and their explain the similarities of halogen ions. explain the similarities in formulae of halogen. learner should be able to state the uses of halogens and their. Explaining similarities of halogen ions Explaining similarities in formulae of halogen Stating and discussing the uses of halogens Chart showing formulae of some metallic halides Chart showing formulae of hydrogen halides A chart on uses of halogens pages pages pages pages WEEK 5 Properties of halogens state the physical of halogens. explain chemical of halogens. Discussion on physical and chemical of halogens Periodic Table on summary of of halogens pages pages NOT FOR SALE

12 For use with WEEK 5 Noble gases locate the position of noble gases in. give the electronic arrangement of noble gases. give at least 5 of noble gases. explain the uses of noble gases. Locating and identifying noble gases in the periodic Drawing the electronic arrangement of noble gases Explaining of noble gases Explaining the uses of noble gases Periodic Chart on of noble gases pages page 26 Form 2 Term 2 WEEK 6 Properties and trends across a period Properties and trends across a period identify the elements in a given period. write the electron arrangement of the elements in a given period. learner should be able to state and explain the trends in physical of elements in a period. Identifying elements in a given period Writing the electron arrangement of the elements of a given period Discussion on the trends in physical of elements in a period Periodic Periodic Chart on physical of elements in a period pages pages pages pages WEEK 7 Properties and trends across a period learner should be able to state and explain the trends in chemical behaviour of elements in a period. Discussion on the trends in chemical behaviour of elements in a given period Periodic Chart showing reactions of elements with oxygen, water and dilute acids pages pages NOT FOR SALE

13 For use with WEEK 7 Structure and bonding Types of bonding define the terms bonding and structure. name the types of bonding and related structures. define ionic bonding. Naming types of bonding and related structures Defining the terms bonding and structure Models of common structures pages pages Form 2 Term 2 WEEK 8 Structure and bonding Structure and bonding The role of the outer electrons in chemical bonding The noble gas electron arrangement the role of the outermost electrons in determining chemical bonding. learner should be able to explain the noble gas electron arrangement. Describing the role of outer electrons in determining chemical bonding Explaining the noble gas electron arrangement Chart on electron arrangement and atom stability Chart on the noble gas electron arrangement page 69 pages pages pages WEEK 9 Structure and bonding Structure and bonding Electron transfer and ionic bonding Electron sharing and covalent bonding learner should be able to explain electron transfer and ionic bonding. define covalent bonding. give examples of covalent. give four of covalent. Explaining the electron transfer in ionic bonding Defining covalent bonding Listing examples of covalent Stating four of covalent Chart on bond types and structures Chart on covalent bonding pages pages pages pages NOT FOR SALE

14 For use with WEEK 10 Structure and bonding Structure and bonding Use of dot ( ) and cross (X) to illustrate bonding Hydrogen bonding learner should be able to use dot ( ) and cross (X) to illustrate bonding. learner should be able to explain hydrogen bonding. Drawing structures to illustrate bonding using dot ( ) and cross (X) Describing hydrogen bonding Chart on examples of illustrated bonding using dot ( ) and cross (X) Chart on hydrogen bonding pages pages pages pages Form 2 Term 2 WEEK 11 Structure and bonding Structure and bonding Coordinate covalent bonding Types of bonds in period 3 illustrate covalent bonding using diagrams. explain the of covalent substances. learner should be able to compare and explain the bond type changes across a period. Illustrating covalent bonding Explaining of covalent substances Giving examples of covalent Explaining bond type changes across a period Chart showing covalent bonding Chart on of covalent substances Chart on bonding of oxides and chlorides of period 3 elements pages pages pages pages WEEK 12 Structure and bonding Application learner should be able to select appropriate materials for use based on bond type. Discussion on various fields or areas in which the knowledge of bonding and structure is applied Pictures and photographs from scientific journals pages pages NOT FOR SALE

15 For use with WEEK 13 WEEK 12 Structure and bonding Salts Salts Project Methods of preparing soluble salts Methods of preparing soluble salts learner should be able to make a model of the structure of diamond. learner should be able to prepare soluble salts by reaction of acids with and metal hydroxides. learner should be able to prepare soluble salts by the reaction of acids with metal carbonates, metal oxides and metal hydrogen carbonates. Using sticks and plasticine to make a model of the structure of diamond experiments on salt preparation by reaction of acids with and metal hydroxides. Discussion on results of experiments experiments to prepare salts by the reaction of acids with metal carbonates, metal oxides and metal hydrogen carbonates. Discussion on the results observed from the experiments Smooth sticks Plasticine 2M HCl Zinc powder 2M NaOH Phenolphthalein Distilled water Necessary apparatus 2M H 2 SO 4 Sodium carbonate 250cm 3 beaker Conical flask Filter funnel Filter paper Spatula Glass rod Measuring cylinder pages pages pages pages pages pages Form 2 Term 2 WEEK 14 Revision and end of term examination 132 NOT FOR SALE

16 For use with Form Two Schemes of Work: Term Three Salts Preparation of insoluble salts by precipitation describe preparation of insoluble salts by precipitation. write correct ionic equations for preparation of salts. Describing the preparation of insoluble salts by precipitation Writing ionic equations for preparation of salts Chart showing common insoluble salts and ionic equations for preparation of salts page 89 pages WEEK 1 Salts Preparation of salts through direct combination method. Types of salts describe preparations of salts by direct combination. explain the terms saturation, crystallization, neutralization and precipitation. state types of salts. Explaining preparation of salts by direct combination Defining the terms crystallization, saturation, neutralization and precipitation Listing types of salts Chart showing types of salts Chart showing examples of salts that can be prepared by direct combination pages pages WEEK 2 Salts Salts Solubility of salts Action of heat on salts learner should be able to identify soluble and insoluble salts. and explain the action of heat on various salts. Discussion on soluble and insoluble salts Explaining the relationship between method of preparation and solubility of salts Explaining the action of heat on carbonates, nitrates, sulphates and hydrated salts based on experimental observations Chart on graph showing some solubility curves Bunsen burner Glass rod Lime water Litmus paper Spatula Wooden splint Various salts pages pages pages pages NOT FOR SALE

17 For use with WEEK 3 Salts Effect of an electric current on substances Application Conduction of electricity by solids learner should be able to state uses of some salts. define the terms conductors, non-conductors, electrolyte and non-electrolyte. test for conduction of electricity by solids. Explaining various uses of salts Defining the terms conductors, nonconductors, electrolyte and non-electrolyte experiments to investigate the solids that conduct electricity Articles from scientific magazines and journals Battery Wires Torch bulb Crocodile clips Various solids page 100 pages pages pages Form 2 Term 3 Effect of an electric current on substances Conduction of electricity by molten substances learner should be able to identify molten substances that conduct electricity. experiments to investigate conduction of electricity by molten substances Discussion on results observed Battery Wires Torch bulbs Crucible Bunsen burner Tripod stand Various chemicals pages pages WEEK 4 Effect of an electric current on substances Conduction of electricity by solutions learner should be able to test for conduction of electricity in solutions. experiments to investigate conduction of electricity in aqueous solutions Discussion on results observed Battery Wires Torch bulb Crocodile clip Beaker Various aqueous solutions pages pages NOT FOR SALE

18 For use with WEEK 5 Effect of an electric current on substances Effect of an electric current on substances Electrolysis Application state the products of electrolysis of a binary electrolyte. explain the process of electrolysis. define the terms anode and cathode. learner should be able to state some applications of electrolysis. Explaining the process of electrolysis Defining the terms anode and cathode experiments to investigate the movement of ions through an electrolyte during electrolysis Discussion on the application of electrolysis such as in electroplating, extraction of and purification of Battery Crocodile clip Microscope slide Pair of scissors Filter paper Various electrolytes Articles and photographs from scientific magazines and journals pages pages pages pages Form 2 Term 3 WEEK 6 Forms of carbon Amorphous forms of carbon define allotropy and allotropes. explain the physical of carbon allotropes. state some uses of carbon. explain the physical of amorphous forms of carbon. state some uses of amorphous carbon such as charcoal. Defining the terms allotropy and allotropes Explaining the physical of diamond and graphite Discussion on uses of carbon (diamond and graphite) Explaining the physical of amorphous forms of carbon Discussion on uses of amorphous forms of carbon Models of the structures of diamond and graphite Charts showing models of diamond and graphite Photographs of charcoal Charcoal pages pages NOT FOR SALE

19 For use with WEEK 7 of carbon of carbon describe the behaviour of carbon when burnt. describe the reaction of carbon with acids. learner should be able to describe the reducing action of carbon. experiments to investigate what happens to wood charcoal when burnt experiments to investigate the reaction of carbon with acids Discussion on results of the experiments Explaining the reducing action of carbon an experiment to investigate the reaction between wood charcoal and copper (II) oxide Discussion on results of the experiment Gas jar with cover Bunsen burner Measuring cylinder Lime water Wood charcoal Conc. HCl, and H 2 SO 4 Spatula Hard glass test tube Stand and clamp 250 cm 3 beaker Test tube holder Burner Wood charcoal Copper (II) oxide Water Lime water pages pages Form 2 Term 3 WEEK 8 Preparation and of carbon (IV) oxide describe laboratory preparation of carbon (IV) oxide. describe physical of carbon (IV) oxide. experiments to prepare carbon (IV) oxide in the laboratory Explaining the physical of carbon (IV) oxide Flat-bottomed flask 2 conical flasks Gas jar with covers Thistle funnel with tap Delivery tube Marble chips Dilute HCl Distilled water pages NOT FOR SALE

20 For use with WEEK 8 Properties of carbon (IV) oxide state and describe the chemical of carbon (IV) oxide. state some uses of carbon (IV) oxide. Explaining the reaction of carbon (IV) oxide with water, lime water, alkalis and burning magnesium Discussion on some uses of carbon (IV) oxide Water Lime water NaOH Magnesium Bunsen burner Deflagrating spoon Kipp s apparatus pages Form 2 Term 3 WEEK 9 Preparation and of carbon (II) oxide (NB: (II) oxide should only be prepared in a fume chamber) of carbon (II) oxide describe laboratory preparation of carbon (II) oxide. describe the physical of carbon (II) oxide. state and describe the chemical of carbon (II) oxide. state some uses of carbon (II) oxide. an experiment to prepare carbon (II) oxide in the laboratory Explaining the physical of carbon (II) oxide Explaining the chemical of carbon (II) oxide Discussion on the uses of carbon (II) oxide Comparing carbon (IV) oxide and carbon (II) oxide Flat-bottomed flask Stand and clamp Dropping funnel Trough Bee-hive shelf Measuring cylinder Spatula Methanoic acid Conc. H 2 SO 4 Water Chart showing a comparison between carbon (IV) oxide and carbon (II) oxide pages pages WEEK 10 ates and hydrogen carbonates learner should be able to describe the chemical reactions of carbonates. experiments to investigate the action of heat and dilute acids on carbonates Discussion on observed results in the experiments Test tubes, testtube rack, Bunsen burner, delivery tube, spatula, stand and clamp, heat pipette, beaker and test tube with side arm Dilute HCl, lime water and various carbonates pages NOT FOR SALE

21 For use with WEEK 10 ates and hydrogen carbonates the chemical reactions of hydrogen carbonates. experiments to investigate the action of heat and dilute acids on hydrogen carbonates Discussion on the observed results obtained from the experiments Two test-tubes, stand and clamp, delivery tube, Bunsen burner, spatula and test tube with side arm Lime water and sodium and calcium hydrogen carbonates pages Form 2 Term 3 WEEK 11 Production and manufacture of sodium carbonate (solvay process) Extraction of sodium carbonate (soda ash) from lake magadi the manufacture of sodium carbonate. learner should be able to describe the extraction of sodium carbonate from Lake Magadi. Explaining the stages of the Solvay process Explaining the extraction of sodium carbonate (soda ash) from Lake Magadi Chart showing the Solvay process A flow diagram of the Solvay process A chart showing the process of producing soda ash from trona pages pages WEEK 12 The importance of carbon oxides learner should be able to explain the importance of carbon in the natural environment and in industry. Explaining the carbon cycle Discussion on manufacture of soft drinks and fire extinguishers Chart showing flow diagram of the carbon cycle pages NOT FOR SALE

22 For use with WEEK 12 The importance of carbon oxides learner should be able to explain the importance of carbon in the natural environment and in industry. Explaining the effects of carbon (IV) oxide and carbon (II) oxide on the environment Articles and photographs from scientific magazines and journals pages Form 2 Term 3 WEEK 13 Revision and end of year examination 139 NOT FOR SALE

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