OXYGEN

BACKGROUND INFORMATION

• Element Symbol: O
• Atomic Number: 8
• Atomic Mass: 16
• Period: 2
• Group/Family: 16

HISTORY OF OXYGEN

• Discovered in 1774 by Joseph Priestley in England
• Also discovered by Carl Wihelm Scheele in England

MAIN SOURCE

• Oxygen is a gas
• Also the 3rd most abundant element in the universe
• Oxygen is how we breathe.

PROPERTIES OF OXYGEN

• Melting Point: -218.79 degrees C
• Boiling point: -183 degrees C
• Doesn't harm humans

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SOURCES

• http://www.chemicool.com
• http://www.education.jlab.org
• http://www.lenntech.com