chem Flashcards
1
Q
Used the cathode ray tube to support his findings.
A
thompson
2
Q
Had no evidence to support an atom’s existence.
A
democritus
3
Q
Atoms combine in whole number ratios.
A
dalton
4
Q
Chemical reactions occur when atoms separate, join, or rearrange.
A
dalton
5
Q
Discovered the electron
A
thompson
6
Q
Said that atoms of the same element are identical, but the atoms of one element are different than those of another.
A
dalton
7
Q
Used the gold foil experiment to discover the nucleus.
A
rutherford
8
Q
Said that the atom was mostly empty space.
A
rutherford
9
Q
Discovered the proton.
A
goldstein
10
Q
Provided evidence supporting the existence of atoms.
A
dalton
11
Q
Discovered the neutron.
A
james chadwick
