States of matter

• 3 main states of matter:

  1. Solid
  2. LIquid
  3. Gas
• Arrangement in a solid:

  • Closely packed together
  • Arranged in a regular manner
  • Strong intermolecular forces of attraction
  • High intermolecular potential energy and KE

  Movement: Vibrate and rotate about their fixed positions.

  
• How are particles in a solid arranged?

  Closely packed together and in a regular manner
• Arrangement in a liquid:

  • Loosely packed together
  • Less regular manner
  • Arranged in clusters

  Movement:

  • They rotate, vibrate & translate within the container. They also slide freely pass each other.
  • Weak intermolecular forces of attraction between one another.
  • Higher KE than in a solid
  • Lower intermolecular potential energy as cmpared to those in a solid

  
• Arrangement in a gas:

  • Disordely arranged
  • Very far from one another
  • Very weak intermolecular forces of attraction
  • Very high KE
  • Very low intermolecular potential energy

  Movement: Move randomly at high speed