Atomic Theory and Alchemy Quiz

Which of the following is not an incorrect explanation of what happened during the first few seconds after the Big Bang?

• Atoms instantly formed

• Energy transformed into matter

• Neutrons decayed into photons

• Only heavy elements were produced

The concept that matter is composed of invisible, indivisible particles was first introduced by:

• Aristotle

• Democritus

• Pythagoras

• Empedocles

Which pair is correctly matched?

• Air – Fire and Water

• Empedocles – Four Elements

• Leucippus – Ether and Void

• Aristotle – Atomism

Statement I: Alchemists believed in the transmutation of metals. Statement II: Alchemy fully explained the modern structure of atoms.

• Both statements are true

• Both statements are false

• Statement I is true; Statement II is false

• Statement I is false; Statement II is true

The element Hydrogen was mainly formed:

• Inside black holes

• Before 10^-43 seconds of Big Bang

• During Big Bang nucleosynthesis

• In stellar explosions

Which is not false about Democritus' idea of atoms?

• Atoms are visible to the naked eye

• Atoms are indivisible and indestructible

• Atoms are made of earth and fire

• Atoms have subatomic particles

Who among the following first used experimental evidence to propose an atomic model?

• J.J. Thomson

• John Dalton

• Democritus

• Leucippus

Which of the following cannot be attributed to ancient alchemical goals?

• Creation of the Philosopher’s Stone

• Transmutation of lead into gold

• Formation of atomic nuclei via fusion

• Elixir of life

Which model first introduced the concept of a central dense nucleus?

• Bohr’s Planetary Model

• Rutherford’s Nuclear Model

• Dalton’s Atomic Theory

• Plum Pudding Model

Which analogy is most appropriate? Electron : Shell :

• Proton : Orbit

• Neutron : Energy

• Nucleus : Center

• Atom : Alchemy