Chadwick Discovers the Neutron
At a glance:
- Series: Great Events from History II: Science and Technology Series
- Categories: Science
- Subcategories: Scientists, Physics, Physicists
- Curriculum: 20th & 21st Century European History, British History
- Geographical Location: England
- Date: February, 1932
Article abstract: Chadwick discovered that there was a fundamental particle in the atom that had no electrical charge and had a mass approximately equal to that of the proton.
Summary of Event
Although the word “atom” actually means “indivisible,” discoveries that began in the late nineteenth century indicate that the atom has a very complex structure. The first discovery that indicated that the atom has parts was the discovery, in 1895, of X rays by Wilhelm Conrad Röntgen; the second was the discovery of radioactivity by Antoine-Henri Becquerel...
[The entire page is 1879 words long]
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