Chemistry GCSE
Trends in reactivity down a group
What Trends in reactivity down a group means in Chemistry GCSE, as defined for AQA.
Definition of Trends in reactivity down a group
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Reference: AQA
Reactivity increases down Group 1 because the outer electron is further from the nucleus and shielded by more inner shells, so the attraction holding it is weaker.
Topics that use Trends in reactivity down a group
- Group 1 (AQA GCSE)
Related terms
- alkali metals
- Balancing chemical equations
- characteristic properties
- Electronic structure and the outer shell
- Metallic bonding and physical properties
- Periodic trends in reactivity
- Prediction from patterns
- Reactions of alkali metals
Using Trends in reactivity down a group in the exam
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