Question detail
What is the general trend in reactivity of Group 1 elements with chlorine as you move down the group?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The periodic table
Question
- A. Reactivity increases.
- B. Reactivity decreases.
- C. Reactivity remains the same.
- D. Reactivity fluctuates.
Answer
The correct option is Reactivity increases..
Explanation
The correct option is Reactivity increases.. Reactivity increases. is correct because it directly supports the approved learning objective to describe reactions of lithium, sodium and potassium with chlorine. This is tested in the subtopic Group 1 within The periodic table, so the reasoning must stay within AQA GCSE Chemistry 8462 Unit 4.1. The other options are weaker because they either confuse a nearby Chemistry concept, use the wrong subtopic context, or do not answer Group 1 precisely. Repair marker 0f1b1856 keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding Reactivity
Students often think that all Group 1 elements react with chlorine in the same way, without considering their individual reactivity levels.
Emphasize that while lithium, sodium, and potassium all react with chlorine, the intensity and nature of their reactions differ due to their increasing reactivity down the group.
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