Oxygen

Oxygen is the 8th element of the periodic table. Its atomic weight is 15.999 u and its symbol is O. It is common element in the universe and it is a non-metal. Oxygen is neccesary for the human body, although too much of it will kill, and it is also important in the form of water (H2O) and it has numerous uses as a acid, reactent and other important purposes

Atomic name: Oxygen                  Melting point: -218.79 C, -361.82 F

Atomic number: 8                           Boiling point: -182.962 C, -297.332  F Atomic weight: 15.999 u

Elemental Category: non-metal

Colour: colourless as gas, pale blue as a liquid

Previous element: Nitrogen Next element:fluorine