Question

Which of the following conclusions most closely followed the discovery that cathode rays consist of charged particles? A. J.L. Thomson's conclusion that all aloms contain smaller parts called electrons B. Bohr's conclusion that electrons inhabit discrete energy levels around the nucleus C. Maxwell's conclusion that accelerating charges produce electromagnetic radiation D. Rutherford's conclusion that the atom has a dense, positively charged mucleus that electrons orbit

Answer 1

Answer : The following conclusions most closely followed the discovery that cathode rays consist of charged particles :

• J. J. Thomson's conclusion that all atoms contain smaller parts called electrons.

Thomson worked on various aspects of the conduction of electricity through gases. he reported that "cathode rays" were actually negatively charged particles in motion; he argued that the charged particles weighed much less than the lightest atom and were in fact constituents of atoms, he measured the charge of the particles, and speculated on how they were assembled into atoms.