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facts about Oxygen

Oxygen

Oxygen

Oxygen

Oxygen (an element with atomic symbol O, atomic number 8, and atomic weight 16)

class, substance, periodic element, nonmetal, gas, medical concept, cause, Drugs, hormones and biological mediators
Atomic Number, Atomic number
8
State
gas
Symbol, Chemical Symbol
"O"
Atomic mass
15.9994 unified atomic mass units, 15.9994
Class
▶
gas; nonmetal; periodic element; Drugs, hormones and biological mediators; medical concept;  …
Parent Class
nonmetal, periodic element, substance
Discovered
1774
Discoverer
Joseph Henry
Wikipedia Page
http://en.wikipedia.org/wiki/Oxygen
Experts
Carl Wilhelm Scheele
CAS Code
"7782-44-7"
Contained in
water
Ranking
eighth, periodic element and ordering by number of protons
Risk Factor for
retinopathy of prematurity
Interacts with
Antioxidants
Cause of
respiratory acidosis
See also
Hyperbaric oxygen
Allotrope
ozone, dioxygen
Wordnet Synset ID
"114648100"
Attributes
a gas
Density
0.001429 grams per cubic cm
Atomic Weight
15.9994
Boiling Point
-183 degrees celsius (-297 degrees fahrenheit), -182.95 degrees celsius (-297.31 degrees fahrenheit)
Atomic Mass
15.9994, 15.9994 unified atomic mass units
Melting Point
-218.4 degrees celsius (-361.1 degrees fahrenheit), 50.5 kelvins
Freebase ID
"/guid/9202a8c04000641f80000000045c194d"
OpenCyc ID
"Mx4rvVjIyJwpEbGdrcN5Y29ycA"
DBPedia URI
http://dbpedia.org/resource/Oxygen
Related Websites
http://www.rsc.org/chemistryworld/podcast/element.asp, http://www.webelements.com/webelements/elements/text/O/index.html, http://www.americanscientist.org/template/AssetDetail/assetid/29647/page/1, http://www.uigi.com/oxygen.html, http://www.organic-chemistry.org/chemicals/oxidations/oxygen.shtm
Mesh ID
"D010100"
Diseases DB id
"9461"
Freebase Primary MID
"/m/025s6bf"
Edit this profile
Tell me what you know about oxygen, the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής, because at the time of naming, it, mistakenly thought that all acids required oxygen in their composition.
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External web pages (using standard web search):

10 Oxygen Facts
Learn some interesting facts about the element oxygen.
http://chemistry.about.com/od/elementfacts/a/oxygenfacts.htm
Facts about OXYGEN ***
Info and Facts about the element Oxygen from the Periodic Table. Interesting Facts, information about Oxygen the element. Concise facts and info about Oxygen
http://www.facts-about.org.uk/science-element-oxygen.htm
Oxygen Facts
Can you name some facts about oxygen? The name for the element oxygen comes from Greek words that mean 'acid former'. Air is about 21% oxygen. Oxygen gas is
http://chemistry.about.com/b/2007/05/13/oxygen-facts.htm
Facts about Oxygen
Oxygen is one of the most important elements without which life on earth would not be able to exist. Here are a few interesting oxygen facts that you can mull over.
http://www.buzzle.com/articles/facts-about-oxygen.html
Oxygen Facts - Air, Gas, Atom, Uses, Properties, Water, Ozone ...
Oxygen Facts. Enjoy these interesting oxygen facts and learn more about how it relates to the air we breathe, water, the ozone layer and much more.
http://www.sciencekids.co.nz/sciencefacts/chemistry/oxygen.html

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