Key term for Edexcel GCSE Chemistry, used in Group 0.
A valence shell that contains the maximum possible number of electrons (2 for the first shell, 8 for subsequent shells), providing maximum atomic stability.
Full outer shell appears in Edexcel GCSE Chemistry revision content for Groups in the Periodic Table, especially Group 0 and Uses of Noble Gases.
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Groups in the Periodic Table
Group 7 • Explanation of Relative Reactivity
