Particle Theory II

Which of the following has the highest energy particles?

• Solids

• Liquids

• Gases

Which sentence best describes a molecule?

• Smallest particle of a chemical element that can exist

• A particle that has electrical charge

• Group of atoms bonded together, representing the smallest fundamental unit of a chemical compound

X is the movement of particles throught its container. What is X?

The X the mass, the Y the rate of diffusion. What are X and Y, respectively?

• higher, lower

• higher, higher

• lower, lower

• lower, higher

What is the melting point of water?

• 100ºC

• ~50ºC

• 0ºC

• -20ºC