Diatomic+gases+and+Basic+Naming

Certain elements form diatomic gases - that is molecules with two atoms (di = two) which are gases at room temperature.
 * Diatomic Gases**

These are: hydrogen gas (H2), oxgyen gas, nitrogen gas, fluorine gas, chlorine gas

In general, the name of a compound is the name of the first element followed by the name of the second element (with an –ide) at the end. E.g. KCl = potassium chloride
 * Compound Names**