Discoveries of chemical elements and experiments on the structure of materials, including the discovery of oxygen, argon, polonium and radium, and the X-ray diffraction studies that revealed crystal structure. An experiment belongs here when its cited article describes it as a discovery of an element or a study of materials. It excludes physics experiments, which sit in their own group. Browse By lists these entries together so that a reader can move from one to the next and compare how each is described in the sources of the atlas.
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Chemistry and Materials Discoveries
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Oxygen (Wikipedia)
Has Member: Discovery of Oxygen, Article textQuote, Has Member: Discovery of Oxygen, Article text
Oxygen was isolated by Michael Sendivogius before 1604, but it is commonly believed that the element was discovered independently by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Priestley in Wiltshire, in 1774.
Polonium (Wikipedia)
Has Member: Discovery of Polonium and Radium, Article textQuote, Has Member: Discovery of Polonium and Radium, Article text
Polonium was discovered on 18 August 1898 by Marie Skłodowska-Curie and Pierre Curie, when it was extracted from the uranium ore pitchblende and identified solely by its strong radioactivity: it was the first element to be discovered in this way.
Discovery of Argon (Wikipedia)
WikipediaHas Member: Discovery of Argon, Article textQuote, Has Member: Discovery of Argon, Article text
This chemical property of this first noble gas to be discovered impressed the namers.
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