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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 Priestley in Wiltshire, in 1774 , but Priestley ...

www.chem4kids.com/files/elements/008_speak.html

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 ...

www.encyclopedia.com/science-and-technology/chemistry/compounds-and-elements/oxygen

He also found that animals could live when placed in the gas. Without knowing it, Scheele had discovered oxygen. (See sidebar on Scheele in the chlorine entry ...

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 ...

www.livescience.com/28738-oxygen.html

Sep 28, 2014 ... Oxygen is one tough cookie: A 2012 study published in the journal Physical Review Letters found than an oxygen molecule (O2) can survive ...

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...

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  ...

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 ...

www.chemicool.com/elements/oxygen.html

The chemical element oxygen is classed as a chalcogen and a nonmetal. It was discovered in 1774 by Joseph Priestley and and two years earlier, but ...

www.thoughtco.com/oxygen-on-the-periodic-table-608784

Feb 8, 2017 ... This shows what position oxygen appears on the periodic table of the elements and what it is located between.