Chadwick
Definition
James Chadwick was a British physicist who discovered the neutron in 1932. This discovery led to the development of nuclear physics and had a significant impact on our understanding of atomic structure.
5 Must Know Facts For Your Next Test
- Chadwick's discovery of the neutron helped explain why atoms were heavier than the total mass of protons and electrons.
- The neutron is a neutral particle found within an atom's nucleus, alongside protons.
- Neutrons play a key role in the stability of atomic nuclei and influence nuclear reactions such as fission and fusion.
- Chadwick received the Nobel Prize in Physics in 1935 for his discovery of the neutron.
- Understanding neutrons is crucial for studying isotopes and their applications in medical imaging, radiation therapy, and nuclear reactors.
Review Questions
- What significant particle did James Chadwick discover, and what is its charge?
- Why was the discovery of the neutron important for explaining atomic mass discrepancies?
- How do neutrons contribute to nuclear stability and reactions?
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Related terms
Proton: A positively charged subatomic particle found in the nucleus of an atom.
Electron: A negatively charged subatomic particle that orbits the nucleus of an atom.
Nucleus: The central part of an atom, containing protons and neutrons, where most of an atom's mass is concentrated.
