TY Chemistry Christmas Quiz

Who discovered the electron and measured its charge-to-mass ratio?

• Robert Millikan

• Ernest Rutherford

• J.J. Thomson

• James Chadwick

What was the main conclusion from Rutherford's gold foil experiment?

• Electrons are embedded in a positive sphere

• Atoms are indivisible

• Atoms have a dense nucleus

• Atoms are mostly solid

Which experiment was used by Millikan to determine the charge of the electron?

• Gold foil experiment

• Cathode ray experiment

• Oil drop experiment

Who is credited with the discovery of the neutron?

• Robert Millikan

• James Chadwick

• J.J. Thomson

• Ernest Rutherford

What charge does a neutron have?

• Positive

• Negative

• Neutral

What did Millikan's oil drop experiment help calculate?

• Atomic number

• Mass of the proton

• Charge of the electron

• Speed of light

Which subatomic particle did Rutherford discover?

• Proton

• Neutron

• Electron

What is the relative mass of an electron compared to a proton?

• 1838

• 0

• 1

• 1/1838

What is the charge of a proton?

• Positive

• Negative

• Neutral

Which scientist proposed the plum pudding model of the atom?

• James Chadwick

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr