Question detail
The mass of an atom is mainly in the nucleus, which contains:
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. protons and neutrons
- B. electrons
- C. protons only
- D. neutrons only
Answer
protons and neutrons
Explanation
The nucleus holds most of the atom’s mass and consists of protons and neutrons.
Common mistake
Nucleus Composition Confusion
Students often confuse the number of protons and neutrons in the nucleus, thinking they are the same.
Remember that protons and neutrons are distinct particles; protons are positively charged, while neutrons have no charge. Focus on the definitions and roles of each particle within the nucleus.
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