Question detail
What is the reason Group 1 elements have similar chemical properties?
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 have the same number of outer electrons
- B. They have the same atomic mass
- C. They are all metals
- D. They are all non-metals
Answer
The correct option is They have the same number of outer electrons.
Explanation
The correct option is They have the same number of outer electrons. They have the same number of outer electrons is correct because it directly supports the approved learning objective to explain why Group 1 elements have similar chemical properties. 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 2ca937b8 keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding Group 1 Properties
Students often think that Group 1 elements have similar properties because they are all metals, without considering their electronic structure.
Emphasize that Group 1 elements have similar chemical properties due to having the same number of outer electrons, which affects their reactivity and bonding.
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