GCSE Chemistry - Covalent Bonding - Formation | Drawing Covalent Bonds (2026/27 exams)
Автор: Cognito
Загружено: 2025-06-17
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** WHAT'S COVERED **
1. Covalent Bonding Formation
The sharing of electrons between non-metal atoms.
Achieving a stable, full outer shell of electrons.
A brief comparison with ionic bonding.
2. How to Draw Covalent Bonds
Using dot and cross diagrams to show electron sharing.
Representing molecules with displayed formula using lines for bonds.
The use of 3D models to visualise the shape of molecules.
3. Covalent Bonding in Ammonia
A step-by-step worked example of drawing the covalent bonds in ammonia.
4. Types of Substances with Covalent Bonds
Simple molecular substances (e.g. chlorine, water, methane).
Larger structures, including polymers and giant covalent structures (e.g. diamond, graphite).
** CHAPTERS **
0:00 Introduction
0:18 Recap of Ionic Bonding
0:53 How Covalent Bonds Form
1:22 Dot and Cross Diagrams
1:45 Displayed Formula
2:25 3D Models
2:37 Example: Covalent Bonding in Ammonia
4:06 Types of Covalent Substances
** PLAYLISTS **
• KS3 Biology
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• GCSE Maths (9-1)
• GCSE Biology (9-1)
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• GCSE Physics (9-1)
• A-Level Biology
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