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 3rd Preparatory   -  First Term  - Science
The Atom
The Atom
Mendeleev’s Periodic Table and its Development
The Modern Periodic Table
Classify Elements in the Modern Periodic Table
Classify Elements in the Modern Periodic Table (2)
First Group Metals – Metallic Elements
Alkaline Earth Metals
Transition Elements
Examples of Some Non-Metals - Carbon
Examples of Some Non-Metals – Halogen – Chlorine & Fluorine
Examples of Some Non-Metals - Halogen – Bromine & Iodine
Noble Gases – Helium – Neon - argon
Metalloids
The Chemical Bonds
Ionic Bonds
Covalent Bonds
Learn step Types of Covalent Bonds - The Uni-Covalent Bond
Types of Covalent Bonds - The Double & Triple Covalent Bond
The Hydrogen Bond
Types of Chemical Reactions
Direct Combination Reaction
Direct Combination Reaction (2)
Thermal Decomposition Reaction
Thermal Decomposition Reaction (2)
Thermal Decomposition Reaction (3)
Thermal Decomposition Reaction
Decomposition by Electricity
Decomposition by Electricity (2)
Simple Substitution Reaction
Simple Substitution Reaction (2)
Learn step Substitution of Hydrogen in an Acid by a Metal
The Reaction Between an Acid and an Alkali
The Reaction Between a Salt and Another Salt
Abundance of Oxygen
Abundance of Oxygen (2)
Preparation of Oxygen in the Laboratory
The Properties of Oxygen
The Properties of Oxygen (2)
Oxidation and Reduction
Learn step Electric Current
The Simple & Dry Cell
The Simple & Dry Cell (2)
The Dynamo
How to Generate Electricity Using a Horseshoe Magnet and a Copper Rod
The Potential Difference
The Potential of a Conductor
Measuring the Potential Difference Across Two Points
The Electric Current Intensity
The Electric Resistance
The Electric Resistance – Activity Three
Measuring Voltage
Measuring Current
Ohm's Law
Ohm's Law (2)
Ohm's Law
The Resistance of a Conductor
The Connection of Resistors