SS1 Chemistry Scheme of Work

Download the Senior Secondary School 1 (SS1) Unified Scheme of Work for Chemistry to serve as a guide for educators

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About SS1 Chemistry Scheme of Work

In junior secondary school, Basic Science gives students a broad understanding of the natural world, including the basics of physics, chemistry, and biology. When students move to Senior Secondary School 1 (SSS1), the focus shifts to Chemistry, which becomes more detailed and specialized.

In SS1 Chemistry, students dive deeper into topics like atomic structure, the periodic table, chemical bonding, and stoichiometry, and this is achieved using the carefully designed Lagos state unified scheme of work for SSS1.  While Basic Science involves simple experiments, SS1 Chemistry focuses on more complex experiments, where students learn advanced lab skills such as precise measurement and detailed observation.

By the end of SS1, students will have a strong foundation in Chemistry, preparing them for more advanced topics in the future.

Assessment Guide

In senior secondary school 1, students are assessed in Chemistry based on the school’s prerogative. However, typically, they are evaluated through tests or quizzes (Continuous Assessment Tests), practical exercises, and end-of-term exams.

Grading follows a scale from A to F, with A representing excellent performance, typically scoring around 70% or 80%, and F indicating failure, usually below 50% or 45%.

SS1 First Term Scheme of Work for Chemistry

 LAGOS STATE MINISTRY OF EDUCATION: UNIFIED SCHEMES OF WORK FOR SENIOR SECONDARY SCHOOLS
 Chemistry Scheme of Work for Senior Secondary Schools 1(SSS1)
 ClassS.S.S 1
 SubjectChemistry
 TermFirst Term
WeekTopicBreakdown
THEME: INTRODUCTION TO CHEMISTRY
1Introduction to Chemistry I(1) Meaning of chemistry.
(2) Career prospects tied to chemistry.
(3) Application (hospital, military, teaching, chemical and petrochemical industries, space agriculture etc.)
2Introduction to Chemistry II(1) Adverse effects of chemicals, drug, abuse, poisoning, corrosion, pollution. (2) The scientific methods.
THEME: THE CHEMICAL WORLD
3Particulate nature of matter I(1) Define physical and chemical changes.
(2) Comparing the characteristics of physical and chemical changes.
(3) Define elements compounds and mixtures. (4) Definition of atoms and molecules.
4Particulate nature of matter II(1) Dalton’s atomic theory.
(2) Atomic structure
(3) Constituents of atoms, protons, neutrons and electrons.
(4) Arrangement of electrons around the nucleus.
(5) Atomic number mass number and isotropy
(6) Relative atomic masses based on C-14 isotope.
THEME: INTRODUCTION TO CHEMISTRY
5Symbols Formulae and Equations I1) Chemical symbols of elements.
(2) Valency-Definition of valencies- Valencies of elements and radicals-Writing formulae from valencies.
(3) Empirical and molecular formulae.
(4) Law of conservation of matter.
6Symbols Formulae and Equations II(1) Law of constants composition. (2) Law of multiple proportion. (3) Chemical equations.
7Chemical Combinations I(1) Period table (first) 20 elements only. (2) Electronic configuration of atoms.
8Chemical Combinations II(1) Types of bond a strong bond e.g. electrovalent (ionic).-Covalent-Co-ordinance covalent (dative bonds)-Metallic bonds
(2) Weak bonds e.g. hydrogen bond-Van-dar Waals forces
9Chemical Combinations III1) Systems of naming compounds.-Conventional-IUPAC (2) Any of these 2 naming systems is acceptable at this level.
10Chemical Combination IV(1) State of matter-Solid-Liquid-Gaseous state- The kinetic theory and its application
11REVISION 
12EXAMINATION 

 

SS1 Second Term Scheme of Work for Chemistry

 TermSecond Term
WeekTopicBreakdown
THEME: THE CHEMICAL WORLD
1Gas laws(1) Boyle’s law (2) Charles law (3) General gas equation. (4) Gay-Lussac’s law
2Gas laws(1) Avogadro’s law (2) Ideal gas equation. (3) Graham’s law (4) Molar volume of gases.
3Gas laws(1) Avogadro number and the mole concept. (2) Calculations based on the gas laws
4Standard Separation Techniques for Mixtures. I(1) Classification of substances (2) Filtration (3) Evaporation (4) Decantation (5) Floatation (6) Frostation.
5Standard Separation Techniques for Mixtures. II(1) Crystallization and fractional crystallization. (2) Distillation and fractional distillation. (3) Precipitation. (4) Magnetism
6Standard Separation Techniques for Mixtures. III(1)Chromatography (2) Sublimation (3) Pure and
THEME:CHEMISTRY AND ENVIRONMENT
7Acids(1) Acids (2) Characteristics of acids. (3) Types of acid. (4) Preparations of acid.
8Bases and Salts I(1) Bases (2) Characteristics of bases. (3) Preparation of bases (4) Salts. (5) Relative acidity and alkalinity (the PH scale).
9Bases and salts II(1) Deliquescent efflorescent. (2) Hygroscopic substances (3) Solubility of salts in water.
10Water(1) Sources of water (2) Types of water (soft and hard water) (3) Water pollutants (4) Use of water (5) Laboratory preparation of water.
11Revision 
12Examination 

 

SS1 Third Term Scheme of Work for Chemistry

 TermThird Term
WeekTopicBreakdown
THEME: THE CHEMISTRY OF LIFE
1Carbon and its compounds I(1) Definition of carbon (2) Structure of carbon. (3) Allotropes of carbon (4) Diamond (5) Graphite (6) Charcoal
2Carbon and its compounds II(1) Structure and properties and allotropes. (2) The combustion of carbon allotropes.
3Carbon and its compounds III(1) Coal (2) Different types of coal. (3) Industrial distillation of coal. (4) Uses of products.
4Carbon and it compounds IV1) Coke (2) Gasification and uses. (3) Carbon (iv) oxide and carbon monoxide (carbon (ii) oxide).
THEME: CHEMISTRY AND ENVIRONMENT
5Carbon and it compounds VSynthetic gas:-Manufacture and carbon uses.
6Carbon and it compounds VI(1) Carbonic acid (trioxicarbonate (iv) salt. (3)Preparation of trioxocarbonate (iv).
7Carbon and it compounds VII(1) Hydrocarbon and its main classes and source of hydrocarbons (2) Crude oil and natural gas (3) Importance of hydrocarbons.
THEME: CHEMISTRY AND INDUSTRY
8Chemical Industries I(1) What is chemical industry? (2) Types of chemical industries. (3) Importance to the individual.
9Chemical Industries II1) Exclusion to chemical industries (2) Raw material used in the chemical industries and their sources.
10Chemical Industries III(1) Division of the chemical industries, heavy chemical. (2) Fine chemical (3) Fertilizers (4) Plastics (5) Metallurgy (6) Pharmaceutical
11Revision 
12Examination 

 

Recommended Chemistry Textbooks for Senior Secondary School 1

The recommended Chemistry textbooks for SSS1 include but are not limited to the following:

  • New Age Chemistry by Hassan M.A, Arinze E.E, et al 

        New Age Press Ltd SS 1-3 

  • Excellence in Chemistry by A.I Oluwaseun, T. Alabi 

       Cambridge University Press SS1-3 

  • Senior Secondary Chemistry Book by S.T Bajah, B.O Onwu et al 

        Learn Africa SS 1-3 

  • Model Textbook of Chemistry by Okoye E. I 

        Mid-Field SS1-3

  •  New School Chemistry by Osei Yaw Ababio 

         Africana First Publisher SS 1-3 

  • Basic Practical Chemistry by Ema Patience Adama 

        University Press SS 1-3

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