Question detail
What did Chadwick's work help to confirm about atomic structure?
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. The existence of protons
- B. The existence of electrons
- C. The existence of neutrons
- D. The existence of isotopes
Answer
The correct answer is C: The existence of neutrons.
Explanation
The correct answer is C: The existence of neutrons. This supports the learning objective "Describe how Chadwick's work provided evidence for the neutron." in The development of the model of the atom because it uses the correct atomic and nuclear radiation relationship for Atoms and isotopes. The other options are less suitable because they do not match the required The development of the model of the atom idea: The existence of protons; The existence of electrons; The existence of isotopes.
Common mistake
Chadwick's Contribution
Students often confuse Chadwick's discovery of the neutron with the discovery of the proton.
Remember that Chadwick identified the neutron as a neutral particle in the nucleus, while protons were discovered earlier by Rutherford.
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