Thompson

Which experiment was performed by J. J. Thomson in 1897?

• Oil Drop Experiment

• Gold Foil Experiment

• Wave  Experiment

• Cathode Ray Experiment

Which subatomic particle was discovered as a result of the cathode ray experiment?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

Who discovered electrons?

• Rutherford

• Bohr

• J.J. Thompson

• Democritus

Who discovered the electron?

• Bohr

• Dalton

• Rutherford

• Thompson

In Thomson's plum pudding model, the plums represent

• protons

• neutrons

• the nucleus

• electrons

Who's model does this picture represent?

• Dalton 1803-1808

• Rutherford 1911

• Thomson 1897

• modern atomic model 1920 to the present

Who proposed the plum pudding model of the atom?

• Ernest Rutherford

• Niels Bohr

• J.J. Thompson

• James Chadwick

Which experiment led to the discovery of the electron?

• Gold foil experiment

• Oil drop experiment

• Cathode ray tube experiment

• Double-slit experiment

What was J.J. Thompson's contribution to atomic theory?

• Discovered the neutron

• Proposed the planetary model

• Discovered the electron

• Developed quantum mechanics

In J.J. Thompson's model, what is the atom composed of?

• A nucleus surrounded by electrons

• Electrons embedded in a positive sphere

• Protons and neutrons in the nucleus

• Electrons orbiting the nucleus