2. Oxygen

3. Oxygen Symbol and Atomic Number Symbol Atomic Number

4. When Oxygen was discovered and the discoverer Oxygen was discovered by Joseph Priestly on August 1, 1774. The most common use of oxygen is to support life. Joseph Priestly was born on 1733 and died in 1804. Oxygen was obtained from liquid air. "Oxy" is from Greek, and means sharp or acid. “Gen" is also from Greek, and means the origin of. So, oxygen means "the origin of acid".

5. Oxygen’s Natural State Oxygen has an Atomic Structure that makes Oxygen’s natural state. The pictures on the bottom are atoms. 2 atoms are molecules. 3 are ozone molecules. Number of Energy Levels: 2 First Energy Level: 2

6. What is Oxygen?Oxygen Oxygen is an element that we use to breath. Oxygen is a natural element that keeps us alive, powers are cars, and keep plants healthy. It is odorless, colorless and tasteless. You can feel Oxygen from the wind. The solid liquid is a pale blue and is strongly paramagnetic.

7. Melting and Boiling Point of Oxygen Melting Point:-218.79 ?C Boiling Point: -182.95 ?C

8. Group and Characteristics Group: Non-Metal, Chalcogen Characteristics: diatomic,2 forms: O2, O3

9. Where was Oxygen found? Oxygen was found in plants because he put two mice in a jar. One was put in with a plant. One was put in without a plant. It turns out that the mouse with the plant survived and the one without it died.

10. Interesting Facts Priestly was in the American Revolution Priestly invented the rubber eraser Priestly invented laughing gas Plants was the way Priestly discovered Oxygen

11. Pronunciation Guide Latin: Oxygenium Czech: Kyslík Croatian: Kisik French: oxygène German: Sauerstoff - r Italian: Ossigeno Norwegian: Oksygen Portuguese: Oxigênio Spanish: Oxígeno Swedish: Syre English: Oxygen

12. Bibliography http://environmentalchemistry.com/yogi/periodic/O.html http://periodic.lanl.gov/default.htm http://www.chemicool.com/elements/oxygen.html http://nostalgia.wikipedia.org/wiki/Discovery_of_the_chemical_elements http://en.wikipedia.org/wiki/Oxygen http://www.juliantrubin.com/bigten/oxygenexperiments.html http://www.chemicool.com/elements/oxygen.html http://www.chemicalelements.com/elements/o.html