First Term Scheme

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      CHEMISTRY        CLASS:  SSS2


SCHEME OF WORK


WEEK    TOPIC

The Periodic Table

Historical Development of the Periodic Table/Periodic Law

Features of the Periodic Table.

Periodic Classification into Blocks and Families.

Families of Elements.

The Periodic Trend

The Periodic Properties of Elements: Atomic size, Ionic size,Ionization Energy, Electron Affinity, Electronegativity down the group and across the period.

Diagonal Relationship in the Properties of Elements in the Periodic Table.

   Types of Reaction/Redox Reactions

Definition of Oxidation and Reduction.

Relationship between Oxidation Number and IUPAC Naming.

Oxidizing and Reducing Agents

Identification of Oxidizing and Reducing Agents

Balancing of Redox Equations in Acidic and Alkaline Medium.

Ionic Theory: Distinguish between:

Electrovalent and Covalent Compounds.

Electrolytes and Non-electrolytes.

Weak and Strong Electrolytes.

 Conductors and Non –conductors.

   Electrolysis

Meaning of Electrolysis

Definition of Terms

Preferential Discharge of Ions during Electrolysis.

   Electrolysis of Specified Electrolytes

Acidified water

Brine solution

Copper (II) tetraoxosulphate (VI) solution.

Uses of Electrolysis

Faraday’s Laws of Electrolysis

Faraday First and Second laws of electrolysis.

Verification of Faraday’s Laws of Electrolysis.

Calculations based on Faraday’s Laws.

    Electrochemical Cells

Electrolytic and Electrochemical Cells with their differences.

Standard Electrode Potential.

Drawing and Writing of Cell Diagrams.

Calculation of e.m.f of a Cell.

   Application of Electrochemical Cells

Distinction between Primary and Secondary Cells

Types of Electrochemical Cells.

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