Oxygen By: Won 7.2 Subject: Science
Who and When discovered the oxygen? • Joseph and Carl Wilhelm, they both independently discovered oxygen. • On 1774
Melting point and boiling point • Melting point= 54.8 • Boiling point= 90.19
3 interesting Facts • Solid and liquid are pale blue • Gas is colorless, odorless and tasteless • It is non-metal
3 uses of oxygen • Oxygen is also used in some medicines to treat respiratory disease. • It is part of the ozone layers which helps protect us from the ultra violet rays of sunlight. • It is used in many of the Steele industries for this purpose.
Brief description • By depleting atmosphere oxygen levels to very low levels using reactive oxygen scavengers within an impermeable enclosure, a modified atmosphere composed almost for nitrogen can be created.
Bibliography • Anne “10 oxygen facts” facts about oxygen 22/4/10http://chemitry.about.com/od/elelementfacts/a/oxygen • Unknown “The element oxygen” Las elemental http://education.jlab.org/itselement/ele/html