Reactivity trends
What Reactivity trends means in Chemistry GCSE, as defined for AQA.
Definitions of Reactivity trends
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Reference: AQA
Elements in a group show similar properties but trends in reactivity, such as Group 1 becoming more reactive down the group.
Within a group these depend on the distance of the outer electron from the nucleus and shielding.
Topics that use Reactivity trends
- The periodic table (AQA GCSE)
Related terms
- Atomic number
- groups
- Ion formation
- Outer shell electrons
- Prediction from patterns
- Atomic (proton) number
- Atomic number ordering
- Group
Using Reactivity trends in the exam
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