Properties of Small Molecules Explained | Ultimate GCSE Chemistry Guide

Welcome to The Chemistry Tutor! In this video, we're exploring the intriguing properties of small molecules, a crucial aspect of your GCSE Chemistry studies. This comprehensive guide is designed to help you understand how small molecular substances behave and why their properties matter.

What You’ll Learn in This Video:

Introduction to Small Molecules: Get a foundational overview of what small molecules are and their significance in chemistry.

Covalent Substances Overview: Refresh your knowledge on covalent substances and how they form small molecules.

Electrical Conductivity: Discover why most small molecules don’t conduct electricity.

Particle Model and Changes of State: Learn how the particle model helps explain changes of state for small molecules, including melting and boiling.

Melting and Boiling Points: Understand the factors that influence the melting and boiling points of substances made up of small molecules, including intermolecular forces.

Intermolecular Forces: Explore how intermolecular forces, including those in halogens and alkanes, affect the properties of small molecules and how these forces change with molecular size.

Polymers Explained: Dive into the world of polymers, their unique properties, and how they differ from simple small molecules.

Melting and Boiling Points of Polymers: Examine how the melting and boiling points of polymers compare to those of smaller molecules and what factors influence these properties.

Our step-by-step explanations will help you grasp these concepts with clarity and confidence.

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00:05 Introduction
00:34 Covalent substances overview
02:03 Electrical Conductivity
03:16 Using the Particle Model to Explain Changes of State
05:42 Melting and Boiling Substances Made of Small Molecules
07:02 Boiling Water
09:41 Intermolecular forces increasing with size: Halogens and alkanes
12:38 Polymers explained
14:59 Melting Point and Boiling Point of Polymers