Question

With reference to the discovery of the structure of an atom, explain in brief William Crookes experiment for the discovery of cathode rays, followed by - J.J. Thomsons experiment pertaining to the constituents of the cathode rays. State which sub-atomic particle was discovered from his experiment. ​

Answer 1

Answer:

Explanation:

WILLIAM CROOKES :

A Crookes tube (also Crookes–Hittorf tube) is an early experimental electrical discharge tube, with partial vacuum, invented by English physicist William Crookes and others around 1869-1875, in which cathode rays, streams of electrons, were discovered. ... Wilhelm Röntgen discovered X-rays using the Crookes tube in 1895.

J.J THOMSON EXPERIMENT:

J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson's plum pudding model of the atom had negatively-charged electrons embedded within a positively-charged "soup."

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