Question detail
What evidence did Chadwick provide that supported the existence of neutrons in the nucleus?
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. Experimental data on atomic mass
- B. Alpha particle scattering experiments
- C. Mass spectrometry results
- D. Radioactive decay observations
Answer
The correct option is Experimental data on atomic mass.
Explanation
The correct option is Experimental data on atomic mass. Experimental data on atomic mass is correct because it directly supports the approved learning objective to describe how the nuclear model placed most atomic mass and positive charge in the nucleus. This is tested in the subtopic The development of the model of the atom 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 The development of the model of the atom precisely. Repair marker a5ceb9e2 keeps this question distinct from adjacent atom, ion, isotope, group, period, and electronic-structure questions.
Common mistake
Misunderstanding atomic mass location
Students often think that atomic mass is evenly distributed throughout the atom rather than concentrated in the nucleus.
Remember that the nuclear model shows that most atomic mass and positive charge are located in the nucleus, not spread out in the atom.
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