Question

who.discovered.electron.proton.and.neutron.compare.the.properties.of.electrons.proton.and.neutron​

Answer 1

Answer:

We already learned that J. J. Thomson discovered a negatively charged particle, called the electron. ... In subsequent experiments, he found that there is a smaller positively charged particle in the nucleus which is called a proton. There is also a third subatomic particle, known as a neutron.

Explanation:

Answer 2

ANSWER

PROTONS :- were discovered by Ernest Rutherford, in his famous gold foil experiment.

ELECTRONS :- were discovered by J.J. Thomson, in his cathode ray tube experiment.

NEUTRONS :- were discovered by James Chadwick