Figure 1: The sea of electrons model — positive metal ions (gold/amber) arranged in a regular lattice, surrounded by delocalised electrons (blue) that move freely throughout.
This diagram covers Metallic Bonding — Sea of Electrons within Metallic Bonding for GCSE Chemistry. Revise Metallic Bonding in Bonding & Structure for GCSE Chemistry with 22 exam-style questions and 21 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 1 of 12 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Practice questions for Metallic Bonding
In metallic bonding, what are the electrons called that are free to move throughout the metal structure?
Explain why metals are malleable.