Question

explain electrons and their discovery with properties also​

Answer 1

Thomson discovered a negatively charged particle, called the electron. Rutherford proposed that these electrons orbit a positive nucleus. In subsequent experiments, he found that there is a smaller positively charged particle in the nucleus which is called a proton.

Answer 2

electrons discovered in 1900 century by JJ Thomson

with the help of a discharge tube experiment

electrons having mass of 9.1 × 10^ -31 kg

and they have a charge of -1.6× 10^-19 C

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