GCSE Chemistry – Metallic Bonding – Properties of Metals | Alloys & Pure Metals (2026/27 exams)

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*** WHAT’S COVERED ***
1. The nature of metallic bonding.
* The formation of a giant lattice structure of positive metal ions.
* The creation of a ‘sea’ of delocalised electrons.
* The strong electrostatic forces of attraction that hold the metal together.
2. How metallic bonding determines the properties of metals.
* Why metals have high melting and boiling points.
* Why metals are good conductors of electricity and heat.
* Why metals are malleable and can be bent into shape.
3. The structure and properties of alloys.
* What an alloy is and how it differs from a pure metal.
* Why alloys are harder than the pure metals they are made from.
* The composition and uses of steel as an example of an alloy.

*** CHAPTERS ***
0:00 Introduction
0:24 What is Metallic Bonding?
0:41 The Structure of Metals
1:36 Properties of Metals
2:31 What are Alloys?

*** PLAYLISTS ***

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