James Chadwick discovered the neutron.
Which scientist DID NOT contribute in finding a subatomic particle? AAristotle BThompson CRutherford DChadwhick
This particle was the electron.
The first discovery of a subatomic particle would come in 1897, when J.J. Thompson first discovered evidence for the existence of the electron.
This particle was the electron in 1897 (J.J. Thomson).
Subatomic particles are particles that are smaller than atoms. There are two different types of subatomic particles: elementary particles and composite particles. The first subatomic particle that was discovered was the electron. It was first theorized to exist by G. Johnstone Stoney in 1874 and was confirmed to exist in 1897 by J.J. Thomson.
The neutron was discovered by James Chadwick in 1932.
This particle was the electron discovered in 1897 by Joseph John Thomson.
electron
negative charge
The negatively charged particle electron was discovered by J.J. Thomson in 1897 through his experiments with cathode rays. Thomson's experiments led him to propose the existence of the electron as a fundamental subatomic particle.
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The neutron was discovered in 1932 by James Chadwick.