Chapter 3 - Scientists Review Flashcards
1
Q
Discovered the electron through cathode Ray Tubes
A
J.J. Thomson
2
Q
Made his own atomic theory that consists of 4 postulates, one being his law of multiple proportions
A
John Dalton
3
Q
Proposed that the electrons revolve around a nucleus like the solar system
A
Niels Bohr
4
Q
Conducted the gold foil experiment to discover the positively-charged nucleus
A
Ernest Rutherford
5
Q
Stated that elements combine in definite proportions with mass
A
Joseph Proust
6
Q
Conducted the oil drop experiment to prove the electron’s negative charge
A
Robert A. Milikan
7
Q
Greek philosopher who first put a concept to the atom
A
Democritus
8
Q
Developed the Law of Conservation of Mass
A
Antoine Lavoisier
