History Of The Atom Flashcards
1
Q
Who proposed that matter was made of small paritcles called ‘atomos’?
A
Democritus
2
Q
2000 years after the Greeks, who suggested that each chemical element had its own atoms that differed from others in their mass and they could not be divided or split?
A
JJ Thompson
3
Q
Who discovered the electron after doing experiments with cathode ray tubes
A
Thomson