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CHEMISTRY (CHEM) SSS 2- FIRST TERM Scheme of Work
- Periodic Table
- Chemical Reactions
- Mass, Volume Relationships
- Acid-Base Reactions 5
.0 ACIDS, BASES AND SALTS
(a) Definitions of acids and bases.
(b) Physical and chemical properties of acids
and bases.
(c) Acids, bases and salts as electrolytes.
(d)Classification of acids and bases.
5Rates of chemical reaction
6 Energy and Chemical Reaction
Electrolysis
Electrode potential
e) Electrolysis:
(i) Electrolytic cells;
(ii) Principles of electrolysis;
(iii) Factors influencing discharge of
species;
(iv) Faradayโs laws;
(V) factors influencing discharge of species
(v)i Practical application;
to be continued
WAEC TOPICS IN 2023- 24 Syllabus to be treated.
1. Structure of the Atom
Daltonโs Atomic Theory and limitations.
SECOND term
Air
The suhure
3rd term
Halogens
Ionic theory
Electrolysis
Hydrocarbons
Alkanols
– Sources of nomenclature and Structure
– Classification
– physicalย Prperties
Laboratory preparation including
hydration of alkenes.
(2) Industrial and local production of
ethanol including alcoholic
beverages,
(3) Harmful impurities and methods of
purification should be mentioned.
(4) Recognition of the structure of mono-
, di- and triols.
Primary, secondary and tertiary alkanols
Lessons
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOO, SS2 First Term Chemistry, Lesson 1. Carbon and Its Compound. ’23.
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOO, SS2 First Term Chemistry, Lesson 2. Structure of the atom- Introduction. WAEC Syllabus ’23.
What You are to learn in This Lesson (a) Gross features of the atom. An atom is present at the most basic level in everything we see around us. In fact, atoms compose everyย living organism.ย Matterย makes up every non-living thing around us such as tables, chairs, water, etc. But the building blocks of matter …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOO, SS2 First Term Chemistry, Lesson 3 Periodic Table in Chemistry . SS2 Scheme of Work Syllabus
What is the Periodic Table? Why is Periodic Table Made? The periodic table is an arrangement of all the elements known to man in accordance with their increasing atomic number and recurring chemical properties. They are assorted in a tabular arrangement wherein a row is a period and a column is a …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOO, SS2 First Term Chemistry, Lesson 4. Modern Periodic Table in Chemistry . SS2 Scheme of Work Syllabus
ย ย ย Modern Periodic Table in Chemistryย Modern Periodic Law Definition The modern Periodic law can be stated as: โThe physical and chemical properties of the elements that are periodic functions of their atomic numbersโ. The atomic number is equal to the number of electrons or protons in a neutral …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOO, SS2 First Term Chemistry, Lesson 5. Chemical Reactions:Oxidation and Reduction Reactions. SS2 Scheme of Work Syllabus .
Oxidation and Reduction Reactions Oxidation means gaining oxygen in a chemical reactionย We will be looking at oxidation and reduction from two different points of view. The chemical reactions which involve the transfer of electrons from one chemical substance to another. These electron-transfer reactions are termed as oxidation-reduction reactions orย redoxย reactions. These reactions are …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL SS2 First Term Chemistry, Lesson 6.Chemical Reaction: Symbols, formulae and equations in Stoichemistry and Chemical Reactions. SS2 Class Scheme of Work, WAEC, IGCSCESyllabus .
Chemical Reaction: Symbols, formulae and equations in Stoichemistry and Chemical Reactions. Figuring out the ratios in which different substances or elements react to one another. The laws of conservation of mass, energy, and weights or volumes serve as the foundation for the rules used to determine stoichiometric relationships. Chemicalย Stoichiometryย refers to the quantitative study …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL SS2 First Term Chemistry, Lesson 7.Chemical Reaction: Chemical Symbol. SS2 Class Scheme of Work, WAEC, IGCSCESyllabus
Chemical Reaction: Chemical Symbol. ย ย ย How do chess players monitor their moves in a game? Suppose you were walking along and noticed a piece of paper on the ground with markings on it. You pick it up and see the paper in the picture above. To most people, these notes are meaningless …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL SS2 First Term Chemistry, Lesson 8. Structure of the Atom. SS2 Class Scheme of Work, WAEC, IGCSCE Syllabus
Structureย of The Atom Theย atomic structureย refers to the structure of an atom comprising aย nucleusย (centre) in which theย protonsย (positively charged) andย neutronsย (neutral) are present. The negatively charged particles calledย electronsย revolve around theย centre of the nucleus. The history of atomic structure and quantum mechanics dates back to the times of Democritus, the person who first proposed …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL SS2 First Term Chemistry, Lesson 9. Structure of the Atom. Daltonโs Atomic Theory and Limitations. Class Scheme of Work, WAEC, IGCSCE Syllabus
Structure of the Atom. Daltonโs Atomic Theory and Limitations Itโs amazing to think about how life evolved on this planet. Ever since our existence on this planet, Men’sย brain has been curious to understand nature. This curiosity has been the mother of all inventions. There have been a number of theories to predict …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL SS2 First Term Chemistry, Lesson 10. Structure of the Atom: Elementary Treatment of Mass Spectrometer. . Scheme of Work, WAEC, IGCSCE Syllabus
Ever wondered how forensic scientists analyze the smallest of ounces of evidence they find in a crime scene? Well, with the help of mass spectrometry you can even find out about the different isotopes associated with that element. Let us learn a bit more about Mass Spectrometry. Mass spectrometry is an indispensable …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 11. Structure of the Atom: Meaning and representation in symbols of atoms and sub-atomic particles. Class,WAEC, Scheme
Meaning and representation in symbols of atoms and sub-atomic particles Theย atomย is the smallest part of matter that represents a particular element. For quite a while, the atom was thought to be the smallest part of matter that could exist. But in the latter part of the 19th century and early part of …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 12.Mass Volume Relationship . Class, WAEC, Scheme’23
ย ย Mass Volume Relationship How much azide is needed to fill an air bag? Cars and many other vehicles have air bags in them. In case of a collision, a reaction is triggered so that the rapid decomposition of sodium azide produces nitrogenย gas, filling the air bag. If too little sodium azide is …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Area of Concentration.
ย Area of Concentration Carbon and Its Compound Structure of the atom- Introduction. Periodic table in History
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 13 Acid Bases and Salts. Class, WAEC, Scheme’23
Acids, Bases and Salts Why everything tastes so differently? Why lemon is tangy and mango is sweet? This is because of different percentage of acids, bases, and salts in their chemical composition. Letโs learn how these can be characterized, understanding the concepts by Arrhenius, Bronsted-Lowry and Lewis etc. Experimental Definitions Earlier, acids, …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 14 Basic Properties of Acids, and Bases Class, WAEC, Scheme’23
Basic Properties of Acids You probably think of acid as a dangerous substance. But did you know that you consume acid every day? Most of the food that you eat is acidic in nature. For example, lemon is acidic in nature. However, there are a few food items that are basic in nature. How …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 15. Physical and Chemical Properties of Acids, and Bases . Class, WAEC, Scheme’23 WAEC, Scheme’23
Physical and Chemical Properties of Acids, and Bases What are Acids and Bases? Acids are chemical substances which are characterized by a sour taste in an aqueous medium.ย They have the tendency to turn blue litmus red. On the other hand,ย bases are chemical substances which are characterized by a bitter taste and …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 16.Acids,Bases and Salts as Electrolytes. Class, WAEC, Scheme’23 WAEC, Scheme’23 .
Show that Acids, Bases, and Salts are Electrolytes Objectiveย To show that acids, bases, and salts are electrolytes. Theory Acids Acids are a class of substances characterized by their ability to donate protons (hydrogen ions, H+) to other substances. They are often defined as proton donors and typically have a sour taste. Acids …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 YHWH ๐ YESHUA ๐ HAMASCHIAC ๐/First Term Chemistry, Lesson 17.Electrolysis. Class, WAEC, Scheme’23 WAEC, Scheme’23
Electrolysis we have described various galvanic cells in which a spontaneous chemical reaction is used to generate electrical energy. In an electrolytic cell, however, the opposite process, calledย electrolysis, occurs: an external voltage is applied to drive a nonspontaneous reaction (Figure 19.1.1). In this section, we look at how electrolytic cells are …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER-RESURRECTION ๐/Second Term Chemistry, Lesson 1. Electrolysis Class, WAEC, Scheme’24.
Electrolytic Cells and Electrolysis. All around us, a number of elements and substances are present, each with their own properties and ability to react with other elements. While we talk about electrolysis, it is amazing to imagine how something as simple as an electric current can alter the composition of an element. When …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER-RESURRECTION ๐/Second Term Chemistry, Lesson 2. Electrolysis: Principles of Electrolysis. Class WAEC, Scheme’24.
Principles of Electrolysis cathode. There they absorb two electrons (reduction) and elemental zinc (Zn) is formed at the cathode. A reverse reaction of the elementary zinc is prevented by a uniform decomposition voltage and thus a constant excess of electrons at the cathode. As you …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 3. Electrolysis: Principles of Electrolysis: Eletrolytic Cells. Class WAEC, Scheme’24.
Electrolytic Cells Lessons in this topic will include : Comparison of electrolytic and electrochemical cells; weak and strong electrolyte. What is an Electrolytic Cell? An electrolytic cell can be defined as an electrochemical device that uses electrical energy to facilitate a non-spontaneous redox reaction. Electrolytic cells areย electrochemical cellsย that can be used …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 4. Electrolysis: Factors Influencing Discharge of Species. WAEC, Scheme’24.
Electrolysis: Factors Influencing Discharge of Species. Selective Discharge of Ions:ย Electrolysis is a process employed to separate an ionic compound into its ions. The ionic compound is taken in an electrolytic cell comprising a positively charged anode and a negatively charged cathode. The cations that are positively charged species move towards the cathode, …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 5. Faraday’s Laws on Electrolysis WAEC, Scheme’24.
Faraday’s Law on Electrolysis Electrolysis is the use of electric current to stimulate a non-spontaneous chemical reaction. In electrolysis, an electric current is passed through an electrolytic solution to stimulate the flow of ions to bring about a chemical change. An electrolyte is a liquid (or generally salt solution of metal) …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 6. Simple Calculations Based on Faraday’s Laws on Electrolysis WAEC, Scheme’24
Simple Calculations Based on Faraday’s Laws A recap based on our last lesson What is an Electrolytic Cell? The electrochemical cell which facilitates a chemical reaction through the induction of electrical energy is known as an electrolytic cell. This process of carrying out non-spontaneous reactions under the influence of …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 7 Air .WAEC, Scheme’24
ย ย ย Air What is Air? Air is a mixture of gases – nitrogen, oxygen, carbon(IV) oxide, water vapor and noble gases. The following observations confirm air to be a mixture: – the composition of air is not quite constant. Variations in composition have been found when samples of air are …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 8 Component of Air .WAEC
ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย Component of Air The mixture of gases that makes up the Earthโs atmosphere is known as air. Nitrogen makes up 78 % of this gas, which is mixed with oxygen (21%), water vapour (variable), argon (0.9 …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 9 Hydrogen .WAEC
ย ย Hydrogen Symbol H Atomic Number 1 Atomic Mass 1.008 Discovered by Hydrogen was discovered by Henry Cavendish Physical Properties of Hydrogen Group 1 Melting point โ259.16ยฐC, โ434.49ยฐF, 13.99 K Period 1 Boiling point โ252.879ยฐC, โ423.182ยฐF, 20.271 K Block s Density (g cmโ3) 0.000082 Atomic number 1 Relative atomic mass 1.008 State …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL, SS2 PASSOVER๐ RESURRECTION ๐ ASCENSION/Second Term Chemistry, Lesson 10. Oxygen. WAEC Edit this lesson
ย ย ย Oxygen Symbol O Atomic Number 8 Atomic Mass 15.999 g.mol-1 Discovered by Joseph Priestly in 1774 Chemical Properties of Oxygen Group 16 Melting point -219 ยฐc Period 2 Boiling point -183 ยฐc Block p Density (g cmโ3) 0.001308 Atomic number 8 Relative atomic mass 15.999 State at …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL. SS2 Chemistry, YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ PASSOVER ๐ RESURRECTION ๐ ASCENSION ๐ – Second Term. Air – Nitrogen
ย ย ย Air- Nitrogen Nitrogenย is a crucial component of the air we breathe. Let me share some interesting facts about nitrogen and its role in Earthโs atmosphere: Composition of Air: Nitrogenย makes up approximatelyย 78%ย of the air in Earthโs atmosphere. The other major components include: Oxygenย (21%) Argonย (0.93%) Carbon dioxideย (0.04%) Small amounts of other gases12. …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL. SS2 Chemistry, YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ PASSOVER ๐ RESURRECTION ๐ ASCENSION ๐ – Second Term. Air – Nitrogen: Compund and Uses .
Compounds Although the other applications are important, by far the greatest bulk of elemental nitrogen is consumed in the manufacture of nitrogenย compounds. Theย triple bondย between atoms in the nitrogen molecules is so strong (226 kilocalories per mole, more than twice that of molecular hydrogen) that it is difficult to cause molecular nitrogen to …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL. SS2 Chemistry, Lesson 1.YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ Third/ Summer Term. Introduction to Sulphur
Introduction to Sulphur An Introduction to Sulphur Sulphur is a non-metallic chemical element identified by the letter S. For a list of sulphur’s chemical properties, please clickย here. Sulphur is a valuable commodity and integral component of the world economy used to manufacture numerous products including fertilizers and other chemicals. For a list of …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ SCHOOL. SS2 Chemistry, Lesson 2..YHWH ๐ YESHUA ๐ HAMASCHIAC ๐ Third/ Summer Term. Sulphur: Compound of Sulphur
To HA’YHWH ๐HA’ELOYIHM๐BE THE GLORY ๐ AS We HIS Pupil Study today. IN AMIN๐ AND IN AMEN๐ HA’YHWH ๐ YESHUA ๐ HAMASCHIAC ๐. Response: Amin and Amen- HA’YHWH ๐YESHUA ๐ HAMASCHIAC ๐ Compound of Sulphur Compound of sulphur; (iii) Trioxosulphate (IV) acids and its salts; (iv) Tetraoxosulphate (VI) acid: industrial preparation, …. Read More
HA’YHWH ๐ YESHUA๐HAMASCHIAC ๐ SS2 HA’YHWH๐ YESHUA ๐HAMASCHIAC ๐Summer- Third Term Chemistry.ย Lesson 3. Ionic Theory
Ionic theory and electrolysis. Specific objectives: Ionic theory and electrolysis. At the end of the lesson the student should be able to State the difference between electrovalent and covalent compounds. Explain ionic theory and demonstrate the movement of ions with examples. Differentiate Electrolytes and non-electrolytes; strong and weak electrolytes. Define and explain the …. Read More
HA’YHWH ๐ YESHUA๐HAMASCHIAC ๐ SS2 HA’YHWH๐ YESHUA ๐HAMASCHIAC ๐Summer- Third Term Chemistry. Lesson 4. Alkanols
Prayer TO HA’HASHEM๐ ON SCHOOL Lessons ๐ May HA’HASHEM๐BE PRAISED๐ย IN Our WORSHIP ๐.AndMay HE๐ In HIS๐ Infinite Mercy๐ Remember Us, and Grant us ; both The Teacher and Students Abilityย to understand this subjects, as HE๐ Teaches Us all through Our teacher, In HASHEM ๐ HA’ADONAI ๐ SON ๐ HA’YHWH ๐ YESHUA …. Read More
HA’YHWH ๐ YESHUA ๐ HAMASCHIAC๐ SCHOOL,ย Jss1 YHWH ๐ YESHUAย ๐ HAMASCHIAC๐ ๐ Summer.โข Third Term Chemistry. Lesson 5.ย Alkanols: Sourcesย of Nomenclature.
Prayer TO HA’HASHEM๐ ONย This SCHOOL Lessons ๐ May HA’YHWH๐ HA’HASHEM๐ ELOYIHM ๐BE PRAISED๐ย IN Our WORSHIP ๐. AndMay HE๐ In HIS๐ Infinite Mercy๐ Remember Us, and Grant us ; both The Teacher and Students Abilityย to understand this subjects, as HE๐ Teaches Us all, through Our teacher,ย May HE๐ also, KINDLYย PLEASE๐๐Remind …. Read More