Question

J.J. Thomson’s experiment showed that atoms could produce tiny charged particles. Why did this result change ideas about the atom?

It was previously thought that the atom was indivisible.
It was previously thought that electrons were positively charged.
It was previously thought that protons were in the nucleus.
It was previously thought that atoms were made of neutrons.

Answer 1

@TheSmartOne @ganeshie8 @pooja195 @ParthKohli @Anaise

Answer 2

Notice how the model before Thomson assumes that the atom is indivisible :
http://www.thsindians.com/eferwerda/chem-obj/atmodel.jpg

Answer 3

Ah, yes. He in fact does! Thanks Ganeshie

Answer 4

yw :)