Question

What is a neutron? Who discovered it?
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Answer 1

The discovery of the neutron and its properties was central to the extraordinary developments in atomic physics in the first half of the 20th century. Early in the century, Ernest Rutherford developed a crude model of the atom, based on the gold foil experiment of Hans Geiger and Ernest Marsden.

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Answer 2

Answer:

James Chadwick discovered neutron.

Explanation:

By 1920, physicists knew that most of the mass of the atom was located in a nucleus at its center, and that is central core contained protons. In May 1932 James Chadwick announced that the core also contained a new uncharged particle, which he called the nuetron.