Atomic Structure and History Quiz

Which ancient Greek philosopher believed that matter was composed of small particles called atoms?

• Aristotle

• Plato

• Democritus

• Socrates

What was the primary goal of European alchemists in their experiments?

• To develop modern medicine

• To discover electricity

• To transform materials into gold

• To create new elements

According to John Dalton's atomic theory, what defines an element?

• Its protons

• Its electrons

• Its atomic number

• Its color

What did J.J. Thompson discover about the atom?

• It is made of protons

• It has a nucleus

• It contains electrons

• It is indivisible

What experiment did J.J. Thompson use to discover electrons?

• Gold foil experiment

• Double-slit experiment

• Oil drop experiment

• Cathode ray tube experiment

Who developed the method to measure the charge of an electron?

• Ernest Rutherford

• Robert Millikan

• J.J. Thompson

• James Chadwick

What did James Chadwick discover about the atom?

• It has a nucleus

• It contains neutrons

• It is made of electrons

• It is indivisible

What was the key finding of Rutherford's gold foil experiment?

• Atoms are solid

• Atoms have a dense nucleus

• Atoms are made of electrons

• Atoms are indivisible

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

• Atoms are solid

• Atoms are indivisible

• Atoms are mostly empty space

• Atoms are made of protons

Which scientist is associated with the discovery of the neutron?

• Ernest Rutherford

• James Chadwick

• Robert Millikan

• J.J. Thompson