History of the Atom Quiz

Who was the Greek philosopher that proposed the idea of 'atomos'?

• Plato

• Democratus

• Aristotle

• Socrates

What did John Dalton conclude about the atom from his experiments with combustion?

• Atoms have a nucleus

• Atoms are made of earth, wind, fire, and water

• Atoms are indivisible

• Atoms are spheres

What particle did JJ Thompson discover?

• Electron

• Proton

• Photon

• Neutron

What model did JJ Thompson propose for the atom?

• Solar System Model

• Plum Pudding Model

• Quantum Model

• Nuclear Model

What was the unexpected result of Rutherford's gold foil experiment?

• All alpha particles passed through

• Alpha particles were deflected at large angles

• Alpha particles were absorbed

• Alpha particles emitted light

What did Rutherford's experiment reveal about the structure of the atom?

• Atoms are solid spheres

• Atoms are indivisible

• Atoms have a dense nucleus

• Atoms are made of earth, wind, fire, and water

Who discovered the neutron?

• Ernest Rutherford

• Niels Bohr

• James Chadwick

• JJ Thompson

Why was the discovery of the neutron significant?

• It explained the atom's charge

• It proved atoms are indivisible

• It led to the discovery of electrons

• It accounted for missing atomic mass

What is the charge of a neutron?

• Variable

• Positive

• Negative

• Neutral

What was the impact of discovering the neutron on our understanding of the universe?

• It confirmed the plum pudding model

• It changed the atomic model

• It disproved the existence of protons

• It had no impact