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A representation of liquid and gas phases of bromine in an enclosed bottle.  Purdue University has a nice computer animation of the liquid and gas phases of bromine. 

http://www.chem.purdue.edu/gchelp/liquids/index.html

A liquid is a state of matter in which a sample of matter

• flows and can change its shape.
• is not easily compressible and maintains a relatively fixed volume
•  The particle view or microscopic view of liquid bromine as depicted in the computer animation illustrates
  • Liquids are made up of very small particles (atoms, molecules, and/or ions).
  • The particles that make up a liquid:
    • are close together with no regular arrangement,
    • vibrate, move about, and slide past each other.