Gas

Gas is one of the four fundamental states of matter. A gas can best be characterized as a fluid of neutrally-charged atoms, which have sufficient thermal energy to prevent intermolecular bonding. Gas also has no fixed volume and can expand to fill any area.

Types of gases

 * anesthezine
 * carbon dioxide
 * chlorine
 * helium
 * methan
 * neon
 * neurozine
 * trionium