Key term for Edexcel GCSE Physics, used in Heat, Specific Heat and Latent Heat.
Electrons in a metal that are not bound to any specific atom and can move freely throughout the structure, transferring thermal energy quickly.
Free electrons appears in Edexcel GCSE Physics revision content for Particle model, especially Heat, Specific Heat and Latent Heat and Thermal Insulation.
Particle model
Heat, Specific Heat and Latent Heat • Thermal Insulation
Static electricity
Static Charge • Electrostatic Phenomena
Electricity and circuits
Resistance Calculations and Practical • Core Practical: Electrical Circuits
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