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J. J. Thomson observed that cathod rays are deflected by an electric field - and from this discovered the electron.
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Related Questions
What did JJ Thompson discover?
electron
Who invented this mass spectometer?
JJ Thompson
Who sings the wimax ad?
JJ Thompson
Who experimented and studied gunpowder in America?
Benjamin Thompson
When Was JJ Thompson Born?
December 18, 1856
Jj thompson's date of contribution to science?
1974
What was JJ Thompson working with when he discovered the cathode rays?
Electrons.
Who discovered electrons through an evacuated glass tube?
JJ Thompson
Who thought that atoms was like a roll with raisins stuck in it?
JJ thompson
Where does J J Thompson live?
Nowhere. JJ Thomson died in 1940
How did JJ Thompson know the charge of the particles?
from his cathode ray tube experiment
Who devised the plum pudding model to describe the layout of the atom?
I'm pretty sure it was jj. Thompson but i coudnt be sure
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