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Oxygen

en.wikipedia.org/wiki/Oxygen

Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the ... Oxygen was discovered independently by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Prie...

Where is oxygen found? | Reference.com

www.reference.com/science/oxygen-found-504264e1041ece9e

Oxygen is found throughout the universe. It is formed in the nuclear reactions that take place in stars. Much of the universe's oxygen is contained in...

oxygen Facts, information, pictures | Encyclopedia.com articles ...

www.encyclopedia.com/topic/oxygen.aspx

The first two members of the family, oxygen and sulfur, are found in most ores. Oxygen is by far the most abundant element in the Earth's crust. Nearly half of all  ...

It's Elemental - The Element Oxygen

education.jlab.org/itselemental/ele008.html

Joseph Priestley and Carl Wilhelm Scheele both independently discovered oxygen, but Priestly is usually given credit for the discovery. They were both able to ...

Chemistry for Kids: Elements - Oxygen - Ducksters

www.ducksters.com/science/chemistry/oxygen.php

Oxygen is found all around us. It is one of the most important elements on planet Earth. Oxygen makes up around 21% of the Earth's atmosphere and 50% of the ...

Oxygen - Chemicool

www.chemicool.com/elements/oxygen.html

Oxygen's properties, interesting facts, discovery, videos, images, states, ... Oxygen was discovered in 1774 by Joseph Priestley in England and two years earlier, ...

Where oxygen comes from - Discovery Place

www.discoveryplace.org/blog/post/14/EarthEnvironment-Where-oxygen-comes-from

Humans need oxygen to live, so it's a good idea to know where it comes from. Oxygen is released into the air by trees but it can also be found in lots of other ...

Oxygen - Element information, properties and uses | Periodic Table

www.rsc.org/periodic-table/element/8/oxygen

Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. ... Discovered by, Joseph Priestley in Wiltshire, England and independently by Carl  ...

Oxygen - Where Oxygen Comes From - Water, Earth, Liquid, and Air ...

science.jrank.org/pages/4967/Oxygen-Where-oxygen-comes-from.html

Nearly all of the oxygen found on Earth today is produced by biological activity. During the process of photosynthesis, carbon dioxide and water react in the ...

Oxygen by Ron Kurtus - Succeed in Chemistry: School for Champions

www.school-for-champions.com/chemistry/oxygen.htm

Dec 3, 2007 ... Oxygen combines with many other elements by the process of oxidation. It is the most abundant element found on the Earth and makes up 21% ...

More Info

Chem4Kids.com: Oxygen: General Info and Everyday Items

www.chem4kids.com

Oxygen is the eighth element of the periodic table and can be found in the second row (period). Alone, oxygen is a colorless and odorless molecule that is a gas ...

Where Is Oxygen Found On The Periodic Table?

chemistry.about.com

This shows where oxygen appears on the periodic table of the elements.

Facts About Oxygen - Live Science

www.livescience.com

Sep 28, 2014 ... Properties and uses of the element oxygen. ... published in the journal Nature Geoscience found that 2.95 billion-year-old rocks found in South ...