⏰ when
When was the neutron discovered?
PhysicsAtomic physics
Quick Answer
James Chadwick discovered the neutron in 1932.
The Full Story
James Chadwick discovered the neutron in 1932. The neutron proved that atomic nuclei contain neutral particles as well as positively charged protons. This discovery helped explain isotopes and opened the way to nuclear physics and reactor science. Chadwick received the 1935 Nobel Prize in Physics for the achievement.
Key Facts
1.Discovery year: 1932
2.Scientist: James Chadwick
3.Won the 1935 Nobel Prize in Physics
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"The atom’s neutral core particle was found in 1932."