Atomic Theory Scientists

Who Discovered the neutron?

• Thomson

• Dalton

• Goldstein

• Chadwick

Which scientists used the cathode ray tube to support his findings?

• Chadwick

• Goldstein

• Thomson

• Dalton

Which scientist had no evidence to support an atom's existence?

• Democritus

• Chadwick

• Thomsen

• Dalton

The scientist who believed atoms combine in whole number ratios?

• Chadwick

• Rutherford

• Thomson

• Dalton

Which scientist discovered the proton?

• Chadwick

• Dalton

• Goldstein

• Rutherford

Said the the atom was mostly made of empty space.

• Rutherford

• Dalton

• Thomson

• Chadwick

Tags

NGSS.MS-PS1-1

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

• Rutherford

• Democritus

• Goldstein

• Dalton

Tags

NGSS.HS-PS1-2

Discovered the electron.

• Thomson

• Dalton

• Chadwick

• Rutherford

Provided evidence supporting the existence of atoms.

• Thomson

• Dalton

• Goldstein

• Rutherford

Used the gold foil experiment to discover the nucleus.

• Dalton

• Goldstein

• Rutherford

• Thomson