Question 1
Question detail
How are electrons arranged in an atom?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and isotopes
Question
- A. In a random pattern
- B. In fixed positions
- C. In shells or energy levels
- D. In pairs only
Answer
In shells or energy levels
Explanation
Electrons are arranged in shells or energy levels around the nucleus, which determines the atom's chemical properties.
Common mistake
Misconception about electron orbits
Students often think electrons orbit the nucleus in fixed circular paths like planets.
Explain that electrons are negatively charged particles that occupy discrete energy levels or shells around the nucleus, described by probability clouds rather than fixed circular orbits.
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