Oxygen


 * =Oxygen=
 * The symbol O
 * Group number: 8
 * Period: 6
 * Carl Wilhelm Scheele discovered it in 1744
 * Oxygen is a gas
 * Oxygen is colorless
 * Atomic number: Z=8
 * Mass number: A=16
 * There are 8 protons, 8 neutrons and 8 electrons
 * The melting point is 219 Degrees Celsius and the boiling point is 183 Degrees Celsius
 * Oxygen is a non metal
 * animals and plants require oxygen to live
 * oxygen is colorless, odorless and tasteless
 * liquid and solid oxygen is pale blue
 * oxygen is a para magnetic
 * oxygen supports combustion