Subatomic Particle Review

Which scientist was the first person responsible for proposing the discovery of the electron?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist was the first person responsible for proposing the discovery of the nucleus?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

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

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist's model is referred to as the Plum Pudding Model?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist's model is referred to as the Planetary model?

• Democritus

• John Dalton

• J.J. Thomson

• Niels Bohr

Which scientist proposed the idea that the electrons orbited the nucleus on fixed paths with designated energies?

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist claimed that compounds consist of atoms in a fixed ratio?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist performed the Cathode Ray Experiment?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist performed the Gold Foil Experiment??

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Showed the atom was mostly empty space, and that the nucleus was small, dense, and positively charged.

• Rutherford

• Thomson

• Bohr

• Democritus