Hydrogen is a non-metal element that is a gas at room temperature. It is used in combination with other elements to create liquid compounds such as hydrochloric acid, ammonia and hydrogen peroxide, and it combines with t... More »

Solids, liquids and gases are the three main phases of matter. Solids have a fixed crystalline structure, whereas liquids and gases are more free-flowing. The phase of matter that a given substance exhibits depends on te... More »

An easy example of a solid, liquid and gas is ice, water and water vapor. Solid, liquid and gas are the three main forms that matter can exist in. Solid water is ice, liquid water is water and gaseous water is water vapo... More »

A volatile liquid is one that evaporates or vaporizes quickly at room temperature. Not all volatile substances are liquids; some are solids. More »

According to the Centers for Disease Control and Prevention, bromine is a naturally occurring element that is liquid at room temperature and is brownish-red in color with a smell that resembles bleach. Bromine can be fou... More »

Gold is a chemical element that exists in a dense, malleable solid state at room temperature. Gold liquefies when it is heated to a melting point of 1,948 degrees Fahrenheit. More »

Henry's law, formulated by chemist William Henry in 1803, states, "at a constant temperature, the amount of a given gas that dissolves in a liquid is directly proportional to the partial pressure of that gas in equilibri... More »