Atomic History

Which scientist was the first person responsible for proposing the idea of atoms?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

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

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

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

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist proposed that the atom was indivisible using the word "atomos"?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which model of the atom is the most up to date model?

• The Billiard Ball Model

• The Plum Pudding Model

• The Planetary Model

• The Quantum Mechanical Model

• The Nuclear Model

Which model of the atom describes the location of electrons as probable within a dense "cloud" surrounding the nucleus of an atom?

• The Billiard Ball Model

• The Plum Pudding Model

• The Planetary Model

• The Quantum Mechanical Model

• The Nuclear Model