How did J.J. Thomson change Dalton's atomic theory?
2014年4月23日 · Dalton has proposed that atoms were the smallest particles which make up matter. Then Thomson discovered the electron, which was even smaller than an atom! …
Cathode Ray Tube Experiment - Chemistry - Socratic
2014年4月22日 · The cathode ray tube experiment performed by J.J. Thomson demonstrated the existence of the electron. Scientist had believed in the existence of a negative particle for …
Why was J.J. Thomson wrong? - Socratic
2014年5月12日 · J.J. Thomson was "wrong" because he assumed that the positive charge of an atom was all one uniform blob of matter with the electrons moving in orbits inside the nucleus. …
How is Thomson's model of an atom different from Dalton's model?
2016年11月2日 · The Plum Pudding Model is a model of atomic structure proposed by J.J. Thomson in the late 19th century. Thomson had discovered that atoms are composite objects, …
Solved J.J. Thompson's experiment, involving the motion of - Chegg
Question: J.J. Thompson's experiment, involving the motion of an electronbeam in mutually perpendicular E and B fields, gave the value of:A. Mass of electronB. Earth's magnetic fieldC. …
Solved J.J. Thomson reasoned that cathode rays were really - Chegg
Question: J.J. Thomson reasoned that cathode rays were really charged particles because the properties of the cathode rays depended on the cathode material. a magnet deflected cathode …
Why was the #"plum pudding model"# of J. J. Thomson rejected?
2017年6月26日 · For the simple reason that it was inconsistent with newer experimental data... See this site. And I should add that J. J. Thomson was considered a scientific giant (he was a …
Solved J. J. Thomson used _____ to measure the _____ of a - Chegg
J. J. Thomson used _____ to measure the _____ of a cathode ray particle. Thomson's experiments are important because they showed that the _____ is clearly composed of ...
What are the conclusions of the Cathode ray experiment?
2014年5月15日 · In Thomson's 1st experiment he wanted to see if he could separate the negative charge out of the rays. He knew that electrically charged objects can be deflected by magnets …
Solved J.J Thomson is best known for his discoveries about - Chegg
Mass Spectrometer J. J. Thomson is best known for his discoveries about the nature of cathode rays. Another important contribution of his was the invention, together with one of his students, …