History of the Atomic Model Quiz

Whose model suggested that negative particles were mixed in with positively charged material - like plums in a plum pudding?

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

• Albert Einstein

Which scientist proposed a new atomic model after discovering the electron in 1897?

• Dalton

• Thomson

• Rutherford

• Bohr

Who discovered that atoms are mostly empty space?

• Dalton

• Thomson

• Rutherford

• Bohr

Who proposed that electrons move around the nucleus in circular orbits?

• Dalton

• Thomson

• Rutherford

• Bohr

Which scientist claimed that the atom was a small, dense, solid sphere?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Discovered the neutron

• Democritus

• John Dalton

• JJ Thomson

• Robert Millikan

• James Chadwick

Which is a finding attributed to Rutherford's Gold Foil Experiment?

• atoms are indivisible and have a dense positive nucleus.

• atoms are divisible and have multiple layers of electrons scattered uniformly about the atom.

• atoms are like plum pudding with positive and negative charges uniformly scattered throughout the atom.

• atoms are mostly empty space with a dense positive nucleus.

First person to propose the concept of an atom

• Rutherford

• Democritus

• Dalton

• Bohr

Which Scientist proposed the following atomic model?

• James Chadwick

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which Scientist proposed the following atomic model?

• J.J. Thomson

• John Dalton

• Democritus

• Ernest Rutherford