Study

8.1.5 Molecular Motion

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  • In most substances, what is the densest state of matter?
    The Solid state.
  • In which state of matter do the atoms move the fastest?
    In the Gas state
  • In which state(s) of matter do atoms move?
    In the solid, liquid, and gas states of matter.
  • In which state of matter do atoms or molecules only vibrate?
    Solid
  • If I DECREASE the TEMPERATURE, how will the spacing and speed of molecules change?
    Less space between molecules and decreased speed.
  • What state of matter is shown here?
    Gas
  • If the thermal energy of water increases, how will this affect the kinetic energy of the water molecules?
    The water molecules will speed up. The kinetic energy will increase.
  • What is thermal energy?
    The energy of heat.
  • What is water's densest state of matter?
    The Liquid state.
  • What is kinetic energy?
    The energy of motion.
  • What state of matter is shown here?
    Solid
  • What state of matter is shown here?
    Liquid
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