GCSE Chemistry: History of the Atom Quiz

Who presented the atomic theory in 1803?

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

• John Dalton

Which model of the atom proposed that electrons are spread throughout positively charged material?

• Plum Pudding Model

• Rutherford Scattering Model

• Nuclear Model

• Bohr Model

Who discovered the electron?

• John Dalton

• Niels Bohr

• J.J. Thomson

• Ernest Rutherford

Which experiment led to the discovery of the nucleus?

• Cathode-Ray Tube Experiment

• Plum Pudding Experiment

• Rutherford Scattering Experiment

• Gold Foil Experiment

According to the nuclear model of the atom, where is most of the atom's mass concentrated?

• Nucleus

• Neutrons

• Electrons

• Protons

Who proposed that electrons orbit the nucleus in fixed shells or orbitals?

• John Dalton

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

What did James Chadwick discover?

• Electron

• Proton

• Nucleus

• Neutron

What did Rutherford's experiment with gold foil disprove?

• Existence of protons

• Plum Pudding Model

• Existence of neutrons

• Existence of electrons

Which model of the atom proposed that atoms are made from electrons embedded within a positive sphere?

• Rutherford Scattering Model

• Plum Pudding Model

• Nuclear Model

• Bohr Model

What did the gold foil experiment reveal about the structure of the atom?

• Atoms have evenly spread positive charge

• Atoms have evenly spread negative charge

• Atoms are solid spheres

• Atoms are mostly empty space