SS1 to SS3 Chemistry Scheme of Work

A complete, editable, SEO-friendly chemistry web book for Senior Secondary School 1, 2, and 3. It follows the Nigerian senior secondary chemistry curriculum structure and supports lesson planning, revision, and blog traffic growth.

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Overview

How to use this chemistry web book

This page is arranged in a school-friendly scheme format. Each term is presented in a table so teachers, students, and parents can follow the progression of topics from SS1 to SS3. The content is editable, so you can adjust week numbers and topic order to fit your school calendar.

Study tip: Read the topic summary, then use the external learning links, practical activities, and revision notes to deepen understanding.

Scheme at a glance

The tables below outline the three senior secondary classes. They are structured around the common Nigerian chemistry progression, covering matter, atomic structure, periodic chemistry, formulas, mole concept, bonding, acids and bases, reaction rates, electrolysis, organic chemistry, environmental chemistry, and exam revision.

SS1

Foundations of chemistry, laboratory work, matter, atoms, periodic table, symbols, and separation techniques.

SS2

Chemical equations, mole concept, bonding, thermochemistry, kinetics, acids, bases, salts, water, and air.

SS3

Organic chemistry, hydrocarbons, electrolysis, redox, metals, industry, environment, and examination revision.

SS1 Chemistry Scheme of Work
Term	Week	Topic	Core Content
First Term	1	Introduction to Chemistry	Meaning, branches, importance, laboratory rules and safety precautions.
First Term	2	Laboratory Apparatus and Techniques	Uses of apparatus, heating, filtration, evaporation, distillation.
First Term	3	Measurement in Chemistry	Physical quantities, SI units, mass, volume, density, temperature.
First Term	4	Scientific Method	Observation, hypothesis, experiment, variables, conclusion.
First Term	5	Kinetic Theory of Matter	States of matter, particle arrangement, changes of state, diffusion.
First Term	6	Elements, Compounds and Mixtures	Definitions, differences, and separation techniques.
First Term	7	Atomic Structure I	Dalton’s theory, early atomic ideas, structure of atom.
First Term	8	Atomic Structure II	Subatomic particles, atomic number, mass number, isotopes.
First Term	9	Periodic Table I	Development of periodic table and periodic law.
First Term	10	Periodic Table II	Groups, periods, properties of Group I and VII elements.
First Term	11	Revision	Summary, drills, practical review, class test.
First Term	12	Examination	End-of-term assessment.
Second Term	1	Chemical Symbols, Formulae and Equations	Symbols, valency, writing and balancing equations.
Second Term	2	Laws of Chemical Combination	Conservation of mass, definite and multiple proportions.
Second Term	3	Mole Concept I	Relative atomic mass and relative molecular mass.
Second Term	4	Mole Concept II	Avogadro’s number, molar volume, basic calculations.
Second Term	5	Chemical Reactions	Types of reactions and energy changes.
Second Term	6	Acids, Bases and Salts I	Definitions and properties.
Second Term	7	Acids, Bases and Salts II	Indicators, pH scale, simple reactions.
Second Term	8	Salts	Preparation, solubility rules, uses.
Second Term	9	Water	Sources, purification, hardness of water.
Second Term	10	Air	Composition, properties of oxygen and nitrogen.
Second Term	11	Revision	Revision and test practice.
Second Term	12	Examination	End-of-term assessment.
Third Term	1	Hydrogen	Preparation, properties and uses.
Third Term	2	Oxygen	Preparation, properties and uses.
Third Term	3	Halogens	Properties, reactions and uses.
Third Term	4	Noble Gases	Properties, trends and uses.
Third Term	5	Chemical Bonding I	Ionic bonding and properties of ionic compounds.
Third Term	6	Chemical Bonding II	Covalent and metallic bonding.
Third Term	7	Valency and Oxidation Number	Finding oxidation states and valence patterns.
Third Term	8	Electrolysis	Electrolytes, non-electrolytes and simple electrolysis.
Third Term	9	Carbon and Its Compounds	Allotropes of carbon and introduction to hydrocarbons.
Third Term	10	Environmental Chemistry	Pollution, greenhouse effect and environmental protection.
Third Term	11	Revision	General review of SS1 chemistry.
Third Term	12	Examination	End-of-year assessment.

SS2 Chemistry Scheme of Work
Term	Week	Topic	Core Content
First Term	1	Revision of SS1 Chemistry	Key ideas from structure of matter, equations and mole concept.
First Term	2	Chemical Bonding	Ionic, covalent and metallic bonding, shapes and properties.
First Term	3	Stoichiometry and Chemical Reactions	Formulae, equations, mole ratios and simple calculations.
First Term	4	Energy Changes	Exothermic and endothermic reactions, enthalpy ideas.
First Term	5	States of Matter	Kinetic theory, diffusion, Brownian motion and gas behaviour.
First Term	6	Chemical Kinetics	Rate of reaction, collision theory, factors affecting rates.
First Term	7	Chemical Equilibrium	Reversible reactions and Le Châtelier’s principle.
First Term	8	Acids and Bases	Definitions, pH, pOH, pKw, strength of acids and bases.
First Term	9	Acid-Base Titration	Indicators, titration principle and simple calculation.
First Term	10	Revision and Test	Practice and evaluation.
Second Term	1	Salts	Types of salts, preparation and hydrolysis.
Second Term	2	Solubility of Substances	Solubility, solubility product and crystallization.
Second Term	3	Water	Sources, purification, soft and hard water.
Second Term	4	Air	Composition of air, oxygen, nitrogen and noble gases.
Second Term	5	Hydrogen	Laboratory preparation, properties and uses.
Second Term	6	Oxygen and Oxides	Preparation, properties, oxides and burning.
Second Term	7	Nitrogen and Ammonia	Preparation, properties and uses in industry.
Second Term	8	Halogens	Properties and reactions of chlorine, bromine and iodine.
Second Term	9	Sulphur and its Compounds	Forms of sulphur, sulphur dioxide and sulphuric acid.
Second Term	10	Revision and Test	Class work, revision and assessment.
Third Term	1	Electrochemistry	Electrolysis, electrochemical cells and applications.
Third Term	2	Redox Reactions	Oxidation, reduction, oxidizing and reducing agents.
Third Term	3	Metals and Extraction	Occurrence of metals, extraction and reactivity series.
Third Term	4	Corrosion	Rusting, prevention and electrochemical corrosion.
Third Term	5	Non-metals and Compounds	Properties and uses of selected non-metals and oxides.
Third Term	6	Chemistry of Carbon Compounds I	Classification and functional groups.
Third Term	7	Chemistry of Carbon Compounds II	Alkanes, alkenes, alkynes and simple reactions.
Third Term	8	Petroleum and Petrochemicals	Refining crude oil and uses of fractions.
Third Term	9	Environmental Chemistry	Pollution, climate effects and control measures.
Third Term	10	Revision and Examination	Full-year revision and end-of-year test.

SS3 Chemistry Scheme of Work
Term	Week	Topic	Core Content
First Term	1	Revision of SS2 Chemistry	Foundation review for final-year study.
First Term	2	Organic Chemistry I	Classification, homologous series and naming.
First Term	3	Hydrocarbons I	Alkanes, alkenes and alkynes.
First Term	4	Hydrocarbons II	Preparation, properties and uses of hydrocarbons.
First Term	5	Alcohols, Phenols and Ethers	Classes, reactions and uses.
First Term	6	Carboxylic Acids and Esters	Preparation, properties and esterification.
First Term	7	Nitrogen Compounds	Amines, proteins and urea overview.
First Term	8	Polymers	Natural and synthetic polymers, uses and hazards.
First Term	9	Petroleum Chemistry	Crude oil, refining, cracking and petrochemicals.
First Term	10	Revision and Test	SS3 first-term review.
Second Term	1	Electrolysis and Faraday’s Laws	Electrolytic processes and calculations.
Second Term	2	Redox and Electrochemical Cells	Oxidation states, cell diagrams, electrode potential.
Second Term	3	Metallurgy	Extraction, purification and alloying.
Second Term	4	Corrosion and Prevention	Rusting, galvanization and protective coatings.
Second Term	5	Thermochemistry	Enthalpy change, Hess’s law and bond energy.
Second Term	6	Rates of Reaction	Collision theory and factors affecting rate.
Second Term	7	Chemical Equilibrium	Equilibrium systems and Le Châtelier’s principle.
Second Term	8	Acids, Bases and Buffers	pH, pOH, indicators, buffers and titration.
Second Term	9	Quantitative Analysis	Volumetric and gravimetric analysis, standard solutions.
Second Term	10	Revision and Test	Test preparation and correction.
Third Term	1	Environmental Chemistry	Air, water and soil pollution, greenhouse effect.
Third Term	2	Industrial Chemistry	Chemical industry, raw materials and process chemistry.
Third Term	3	Qualitative Analysis	Tests for cations and anions.
Third Term	4	Organic Reaction Pathways	Substitution, addition, elimination, polymerization.
Third Term	5	Biochemistry Overview	Proteins, carbohydrates, fats and their importance.
Third Term	6	Revision of SS3 Topics	General revision of final-year chemistry content.
Third Term	7	Mock Examination	Practice test and correction.
Third Term	8	Final Examination	End-of-year assessment.

Teaching Notes

Practical activities and classroom focus

Laboratory work

Use simple practicals for filtration, titration, heating, gas tests, and indicators.

Calculations

Develop confidence with formulae, relative masses, mole ideas and simple stoichiometry.

Practical skills

Encourage observation, recording, drawing conclusions, and safe laboratory behaviour.

Revision strategy

Use class tests, worked examples and end-of-term question practice for retention.

Chemistry learning becomes stronger when students combine theory, practice, revision, and simple application questions.

External Resources

Content structure for search visibility

Use each term table as a searchable content block.
Keep headings clear: SS1, SS2, SS3 and term names.
Add internal links to related chemistry lessons on your blog.
Use the external links section to support user trust and relevance.

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