Question detail
What trend is observed in the melting points of Group 7 elements 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. Melting points increase
- B. Melting points decrease
- C. Melting points remain constant
- D. Melting points fluctuate
Answer
The correct option is Melting points increase.
Explanation
The correct option is Melting points increase. Melting points increase is correct because it directly supports the approved learning objective to describe the trends in melting point and boiling point down Group 7. This is tested in the subtopic Group 7 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 7 precisely. Repair marker 6136cc9b keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Melting and Boiling Points Confusion
Students often confuse the trends in melting point and boiling point down Group 7, thinking both increase instead of recognizing that melting points increase while boiling points also increase but at a different rate.
To fix this, students should create a table comparing the melting and boiling points of Group 7 elements, noting the specific values and trends to visualize how each property changes down the group.
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