If the particles in gases are more spread out than in a liquid or a solid , and everything is made out of particles ,

Question: If the particles in gases are more spread out than in a liquid or a solid , and everything is made out of particles , then what's inbetweem the particles in gases?
- Keywords:
  particles,
  space
Asked by laura3 to Arttu, Ceri, James_M, Monica, Philip on 20 Jun 2011.
- James M Monk answered on 20 Jun 2011:
  
  There is empty space between molecules of gas. You would need a very tiny volume of air in order to expect it to contain on average fewer than one molecule though.

Question: If the particles in gases are more spread out than in a liquid or a solid , and everything is made out of particles , then what's inbetweem the particles in gases?