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SCHEME OF WORK
Chemistry
Form 2 2025
TERM I
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

Reporting and revision of end of term exam
2 1
WATER AND HYDROGEN
Burning candle wax in air.
By the end of the lesson, the learner should be able to:



Test for the products of burning candle wax in air.



Teacher demonstrations;
Discussion.



Candles, lime water.



K.L.B.
BOOK I
PP. 91-92
2 2
WATER AND HYDROGEN
Reaction of cold water with metals.
By the end of the lesson, the learner should be able to:
Identify products of reaction of cold water with metals.
Teacher demonstrations;
Discussion;
Write equations.
Calcium, sodium grain.
K.L.B.
BOOK I
PP. 92-94
2 3-4
WATER AND HYDROGEN
Reaction of steam with metals.
By the end of the lesson, the learner should be able to:
Identify products of reaction of steam with metals.
Recall the reactivity series of metals based on reaction with water.
Teacher demonstrations;
Test for evolved gas;
Discussion;
Write equations.
Review reactivity series.
Magnesium ribbon, sand, iron / steel wool.
K.L.B.
BOOK I
PP. 94-96
3 1
WATER AND HYDROGEN
Hydrogen. - lab preparation.
Hydrogen. - physical properties.
By the end of the lesson, the learner should be able to:
Describe laboratory preparation of hydrogen.
State physical properties of hydrogen.
Teacher demonstrations;
Discussion.
Probing questions and discussion.
Zinc granules,
dil HCl,
conc. sulphuric acid.
conc. sulphuric acid, litmus papers.
K.L.B.
BOOK I
P. 97
3 2
WATER AND HYDROGEN
Hydrogen as a reducing agent.
By the end of the lesson, the learner should be able to:
Describe an experiment to show reducing properties of hydrogen.
Teacher demonstration;
Discussion;
Write equations.
Copper (II) oxide, anhydrous Copper (II) sulphate., dry hydrogen.
K.L.B.
BOOK I
PP. 99-101
3 3-4
WATER AND HYDROGEN
Hydrogen as a reducing agent.
Burning hydrogen in air.
By the end of the lesson, the learner should be able to:
Describe an experiment to show reducing properties of hydrogen.
Identify products of burning hydrogen in air.
Teacher demonstration;
Discussion;
Write equations.

Teacher demonstration;
Discussion.
Copper (II) oxide, anhydrous Copper (II) sulphate., dry hydrogen.
Anhydrous calcium chloride,
hydrogen, U tube, ice cold water.
K.L.B.
BOOK I
PP. 99-101
K.L.B.
BOOK I
PP. 101-102
4 1
WATER AND HYDROGEN
Uses of hydrogen.
By the end of the lesson, the learner should be able to:
State uses of hydrogen.
Probing questions;
Open discussion.
TEXT BOOK
K.L.B.
BOOK I
PP. 102-103
4 2
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Atomic and mass numbers.
By the end of the lesson, the learner should be able to:


Name the subatomic particles in an atom.
Define atomic number and mass number of an atom.
Represent atomic and mass numbers symbolically.
Exposition on new concepts;
Probing questions;
Brief discussion.
text book
K.L.B.
BOOK II

PP. 1-3
4 3-4
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
First twenty elements of the periodic table.
By the end of the lesson, the learner should be able to:
List the first twenty elements of the periodic table.
Write chemical symbols of the first twenty elements of the periodic table.
Expository approach: referring to the periodic table, teacher exposes the first twenty elements.
Writing down a list of first twenty elements of the periodic table.
Periodic table.
K.L.B.
BOOK II

PP. 1-3
5 1
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Isotopes.
By the end of the lesson, the learner should be able to:
Define isotopes.
Give examples of isotopes.
Exposition of definition and examples of isotopes.
Giving examples of isotopes.
Periodic table.
K.L.B.
BOOK II
P. 4





PP. 5-8
5 2
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Electronic configuration.
Electronic configuration in diagrams.
By the end of the lesson, the learner should be able to:
Represent isotopes symbolically.
Define an energy level.
Describe electronic configuration in an atom.
Represent electronic configuration diagrammatically.
Exposition ? teacher exposes new concepts about electronic configuration.
Written exercise.
Supervised practice;
Periodic table.
text book
K.L.B.
BOOK II
P. 4





PP. 5-9
5 3-4
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Periods of the periodic table.
By the end of the lesson, the learner should be able to:
Identify elements of the same period.
Exposition ? Definition of a period.
Q/A: Examples of elements of the same period.
Periodic table.
K.L.B. BOOK IIP. 9
6 1
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Groups of the periodic table.
By the end of the lesson, the learner should be able to:
Identify elements of the same period.
Exposition ? definition of a group.
Q/A: examples of elements of the same group.
Periodic table.
K.L.B. BOOK IIP. 9
6 2
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Groups of the periodic table.
By the end of the lesson, the learner should be able to:
Identify elements of the same period.
Exposition ? definition of a group.
Q/A: examples of elements of the same group.
Periodic table.
K.L.B. BOOK IIP. 9
6 3-4
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Groups of the periodic table.
R.M.M. and isotopes.
By the end of the lesson, the learner should be able to:
Identify elements of the same period.
Calculate R.M.M. from isotopic composition.
Exposition ? definition of a group.
Q/A: examples of elements of the same group.
Supervised practice involving calculation of RMM from isotopic composition.
Periodic table.
text book
K.L.B. BOOK IIP. 9
K.L.B. BOOK IIPP. 11-13
7 1
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
7 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
7 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
7 3-4
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
8

Midterm exam and midterm break

9 1
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
9 2
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
9 3-4
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Negative ions and ion formation.
Valencies of metals.
By the end of the lesson, the learner should be able to:
To define an anion.
To describe formation of negative ions symbolically.
Recall valencies of metals among the first twenty elements in the periodic table.
Teacher gives examples of stable atoms.
Guided discovery of formation of negative ions.
Diagrammatic representation of anions.

Q/A to review previous lesson;
Exposition;
Guided discovery.
Chart  ion model.
Periodic table.
K.L.B. BOOK IIP 17
10 1
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
10 2
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
10 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
11 1
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
11 2
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
11 3-4
THE STRUCTURE OF THE ATOM & THE PERIODIC TABLE
Oxidation number.
Electronic configuration, ion formed, valency and 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.
Relate electronic configuration, ion formed, valency and oxidation number of different elements.
Q/A: Valencies.
Expose oxidation numbers of common ions.
Students complete a table of ions and their oxidation numbers.

Written exercise;
Exercise review.
The periodic table.
text book
K.L.B. BOOK IIvP 18
K.L.B. BOOK IIP 18
12-13

End term exam and school closure

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