chem

Question 1

Used the cathode ray tube to support his findings.

Answer 1

thompson

Question 2

Had no evidence to support an atom’s existence.

Answer 2

democritus

Question 3

Atoms combine in whole number ratios.

Answer 3

dalton

Question 4

Chemical reactions occur when atoms separate, join, or rearrange.

Answer 4

dalton

Question 5

Discovered the electron

Answer 5

thompson

Question 6

Said that atoms of the same element are identical, but the atoms of one element are different than those of another.

Answer 6

dalton

Question 7

Used the gold foil experiment to discover the nucleus.

Answer 7

rutherford

Question 8

Said that the atom was mostly empty space.

Answer 8

rutherford

Question 9

Discovered the proton.

Answer 9

goldstein

Question 10

Provided evidence supporting the existence of atoms.

Answer 10

dalton

Question 11

Discovered the neutron.

Answer 11

james chadwick