Group trends and reactivity
What Group trends and reactivity means in Combined Science GCSE, as defined for AQA.
Definitions of Group trends and reactivity
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Reference: AQA
Group 1 reactivity increases down the group while Group 7 reactivity decreases down the group, and Group 0 noble gases are unreactive because they have full outer shells.
Observations such as fizzing, movement, melting and flame colour show the increasing reactivity from lithium to potassium.
Topics that use Group trends and reactivity
Related terms
- Action at a distance
- Activation energy
- Active site
- Adaptation
- Anaerobic respiration
- Carbon and nitrogen cycles
- Catalysts
- Cells
Using Group trends and reactivity in the exam
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