Question detail
How do outer-shell electrons affect the reactivity of elements in the same 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. They influence the formation of positive ions.
- B. They determine the atomic mass.
- C. They dictate the number of protons.
- D. They have no effect on reactivity.
Answer
The correct option is They influence the formation of positive ions..
Explanation
The correct option is They influence the formation of positive ions.. They influence the formation of positive ions. is correct because it directly supports the approved learning objective to explain how outer-shell electrons give elements in the same group similar chemical properties. This is tested in the subtopic The periodic table 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 The periodic table precisely. Repair marker bea58877 keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding Outer-Shell Electrons
Students often think that all elements in the same group have identical properties, rather than similar properties due to having the same number of outer-shell electrons.
Emphasize that while elements in the same group have the same number of outer-shell electrons, this leads to similar but not identical chemical properties. Provide examples of elements within a group to illustrate this point.
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