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Published on Dec 03, 2015
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PRESENTATION OUTLINE
1.
OXYGEN
HAILEY BLOCK:6
Photo by
ntr23
2.
ATOMIC STRUCTURE
Atomic mass:15.9994
Atomic number: 8
Photo by
ntr23
3.
ELEMENT HISTORY
Symbol
Origin:The name comes from the Greek 'oxy genes', meaning acid forming.
Date discovered: 1774
Who discovered it: Joseph Priestley in Wiltshire, England and independently by Carl Wilhelm Scheele in Uppsala, Sweden
Photo by
Will Montague
4.
ELEMENT PROPERTIES
Melting point: −218.79°C
Boiling: −182.962°C
Normal phase
Family: group 16, oxygen family
Classification: non metal
Photo by
Vvillamon
5.
FACTS ABOUT OXYGEN
Earth has been oxygenated for about 2.3 billion to 2.4 billion years
geologic changes on Earth led to oxygen
The colorless gas that makes up 21 percent of Earth's atmosphere
Photo by
nerdegutt
6.
USES FOR OXYGEN
The greatest commercial use of oxygen gas is in the steel industry. Large quantities are also used in the manufacture of a wide range of chemicals including nitric acid and hydrogen peroxide.used as antifreeze and to make polyester.
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Thomás
7.
AD SLOGAN
O2 is Made for You!
$.30 for 100 grams
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ntr23
8.
SITES VISITED
http://www.livescience.com/28738-oxygen.html
Wikipedia
Google
Adslogan.com
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woodleywonderworks
Alex Sykes
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