Key term for OCR GCSE Chemistry B, used in Formation of compounds.
The electrons located in the highest occupied energy level of an atom, which determine its chemical reactivity.
Outer shell electrons appears in OCR GCSE Chemistry B revision content for Chemical patterns, especially Formation of compounds and Atomic structure and Periodic Table position.
Chemical patterns
Formation of compounds • Atomic structure and Periodic Table position
Chemical patterns
The Periodic Table and elements • Support for Mendeleev's ideas
Chemical patterns
The Periodic Table and elements • Periodic Table arrangement
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