Quiz on Atomic Theory and Models

Who was the first person to name atoms?

• John Dalton

• Niels Bohr

• Democritus

• Ernest Rutherford

What model did John Dalton propose?

• Atomic Planetary Model

• Plum Pudding Model

• Billiard Ball Model

• Quantum Mechanical Model

Which particle did J.J. Thomson discover?

• Electron

• Positron

• Proton

• Neutron

What did Ernest Rutherford discover about the atom?

• It is indivisible

• It has a nucleus

• It has no charge

• It is a solid sphere

What is the charge of a neutron?

• +1

• 0

• -1

• +2

Which model suggests that electrons orbit the nucleus in shells?

• Billiard Ball Model

• Atomic Planetary Model

• Quantum Mechanical Model

• Plum Pudding Model

Who proposed the Quantum Mechanical Model of the atom?

• James Chadwick

• John Dalton

• Erwin Schrödinger

• Niels Bohr

What is the mass of a proton in atomic mass units (amu)?

• 0.0060

• 1.00728

• 1.00087

• 1.00073

What does the term 'atomos' mean in Greek?

• Element

• Particle

• Indivisible

• Divisible

Which scientist is associated with the Gold Foil experiment?

• Ernest Rutherford

• Democritus

• James Chadwick

• J.J. Thomson