Schemes of Work Chemistry Form 2

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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.
 â¦ 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
 â¦ writing names and symbols of the first 20 elements of the periodic table  â¦ 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
 â¦ Class discussion, doing questions involving calculation of relative atomic masses    KLB chemistry students Book 2 pages 3-4
-Longman KCSE Revision page 89 
 
 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.
 â¦ 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
 â¦ 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 
 
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
  â¦ Defining terms :valence and oxidation number
⦁ Predicting the oxidation numbers of elements through ion formation 
 â¦ 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
  â¦ Predicting valency and oxidation number of elements
⦁ Defining the term radical
⦁ Writing formulae of common radicals 
 â¦  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

 â¦ Writing chemical formulae of compounds

⦁ Deriving chemical formulae of compounds 

 â¦ 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
 â¦ Writing and balancing simple chemical equations   â¦ 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
  â¦ Answering questions on the topic structure of the atom and periodic table   â¦ 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.
  â¦ 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) 
 â¦ 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 
  â¦ 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
 â¦ 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 
  â¦ 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
  â¦ Experiment on the action of cold water on alkali metals. 
⦁ Observing the reactions.
⦁ Writing balanced chemical equations 
 â¦ 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
  â¦ 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 
  â¦ Class discussion on similarities of chemical formulae  â¦ 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 
 â¦ 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
 â¦ Class discussion 
⦁ identifying group 2 elements
⦁ writing their electronic configurations
⦁ explaining the physicals properties of alkaline earth metals.
 â¦ 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
  â¦ Experiment to investigate physical properties of group 2 elements (teacher demonstratio).
⦁ Observing the colour of alkaline earth metals
 â¦ 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
  â¦ Reacting the alkaline earth metals with air and water. 
⦁ Recording the observation.
⦁ Writing chemical equations for the reactions.
  â¦ 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
  â¦ Reacting alkaline earth metals with chlorine,
⦁ Noting observations and writing equations 
  â¦ 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
 â¦ 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   â¦ Chart showing formulae of the compounds of alkaline earth metals  KLB chemistry students Book 2 pages 41
-Longman KCSE revision chemistry page 91
 
Chemical Families: Patterns in properties  Halogens  By the end of the lesson, the learner should be able to:
⦁ Explain the physical properties of halogens
 â¦ 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 
 â¦ Class discussion  â¦ 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
 â¦ 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
  â¦ Experiment to investigate reaction between halogens and metals.
⦁ Discussion and note taking. 
 â¦ 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
 â¦ Experiment to investigate reaction between halogens and metals
⦁ Discussion and note taking 
  â¦ 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 
 â¦ Class discussion and note taking.   â¦ 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

  â¦ 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 
  â¦ Class discussion and note taking   â¦ 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
 â¦ 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
 â¦ Class discussion on reaction between hydrochloric acid and the period three elements
⦁ Writing equations on the reaction of period three elements with water
 â¦ 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
 â¦ 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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