Question detail
Which of the following statements is true about electron arrangement in atoms?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
- A. Electrons fill the lowest energy levels first
- B. Electrons fill higher energy levels before lower ones
- C. Electrons can occupy any energy level randomly
- D. Electrons only occupy the outermost shell
Answer
The correct option is Electrons fill the lowest energy levels first.
Explanation
The correct option is Electrons fill the lowest energy levels first. Electrons fill the lowest energy levels first is correct because it directly supports the approved learning objective to explain that electrons occupy the lowest available energy levels or innermost shells first. This is tested in the subtopic Electronic structure within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, 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 Electronic structure precisely. Repair marker 246eeaff keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding Electron Shells
Students often think that electrons can occupy any energy level without following the order of filling from the lowest energy level first.
Emphasize that electrons must fill the lowest available energy levels or innermost shells before moving to higher energy levels.
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