Chapter 1 Atom Structure Flashcards
0
Q
Developed the law of constant composition.
A
Joseph Proust
1
Q
Discovered the law of conservation of matter
A
Antoine Lavoisier
2
Q
Definition of the law of conservation of matter
A
Matter cannot be created or destroyed
3
Q
Developed the atomic theory
A
John dalton
4
Q
3 facts stated I the atomic theory include…
A
- All matter is composed if tiny indivisible particles that cannot be destroyed or created
- each element has atoms that are identical to each other in all their properties
- chemical reactions are rearrangements of atoms
5
Q
Proposed the law of multiple proportions
A
John dalton
6
Q
JJ Thomson
A
Discovered the electron using the cathode ray tube
7
Q
Robert Millikan
A
Preformed the oil drop experiment to calculate the charge of an electron.
8
Q
Conducted gold foil experiment
A
Ernest Rutherford
9
Q
Gold foil experiment
A
Alpha particles are shot at a thin piece if gold foil leading to the discovery if the nucleus
