Podcast
Questions and Answers
What is the process called when a gas transitions directly to a solid phase without passing through the liquid phase?
What is the process called when a gas transitions directly to a solid phase without passing through the liquid phase?
- Evaporation
- Deposition (correct)
- Condensation
- Sublimation
Which ancient Greek philosophers first proposed the concept of atoms as the fundamental building blocks of matter?
Which ancient Greek philosophers first proposed the concept of atoms as the fundamental building blocks of matter?
- Rutherford and Bohr
- Dalton and Thomson
- Schrödinger and Goldstein
- Democritus and Leucippus (correct)
Who formulated the modern atomic theory in the early 19th century based on experimental observations?
Who formulated the modern atomic theory in the early 19th century based on experimental observations?
- Dalton (correct)
- Thomson
- Bohr
- Rutherford
What was the primary contribution of Ernest Rutherford's gold foil experiment?
What was the primary contribution of Ernest Rutherford's gold foil experiment?
What was the key concept introduced by Niels Bohr's model of the atom?
What was the key concept introduced by Niels Bohr's model of the atom?
What was the primary contribution of James Chadwick's discovery of the neutron?
What was the primary contribution of James Chadwick's discovery of the neutron?
What happens to the inter-molecular forces during the phase change from solid to liquid?
What happens to the inter-molecular forces during the phase change from solid to liquid?
What is the main difference between vaporization and evaporation?
What is the main difference between vaporization and evaporation?
What happens to the arrangement of particles during the phase change from liquid to solid (freezing)?
What happens to the arrangement of particles during the phase change from liquid to solid (freezing)?
Which phase change involves the direct transition from solid to gas without passing through the liquid phase?
Which phase change involves the direct transition from solid to gas without passing through the liquid phase?
What happens to the particles' kinetic energy during the phase change from liquid to gas (vaporization/evaporation)?
What happens to the particles' kinetic energy during the phase change from liquid to gas (vaporization/evaporation)?
What happens to the heat energy during the phase change from solid to liquid (melting)?
What happens to the heat energy during the phase change from solid to liquid (melting)?
