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  2. Oxygen - Wikipedia

    en.wikipedia.org/wiki/Oxygen

    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. Priority is often given for Priestley because his work was published first.

  3. Joseph Priestley - Wikipedia

    en.wikipedia.org/wiki/Joseph_Priestley

    He had discovered oxygen gas (O 2). [citation needed] William Petty-Fitzmaurice, 1st Marquess of Landsdowne – who sympathised with Unitarianism [120] – built a laboratory for the famous dissenter at Bowood House. Reproduction of Joseph Priestley's oxygen apparatus

  4. Carl Wilhelm Scheele - Wikipedia

    en.wikipedia.org/wiki/Carl_Wilhelm_Scheele

    Carl Wilhelm Scheele (German:, Swedish: [ˈɧêːlɛ]; 9 December 1742 – 21 May 1786 [2]) was a German Swedish [3] pharmaceutical chemist.. Scheele discovered oxygen (although Joseph Priestley published his findings first), and identified molybdenum, tungsten, barium, nitrogen, and chlorine, among others.

  5. Mural to mark 250th anniversary of oxygen discovery - AOL

    www.aol.com/news/mural-mark-250th-anniversary...

    The artwork in Calne will mark Joseph Priestley's historic discovery in the town in 1774.

  6. Michael Sendivogius - Wikipedia

    en.wikipedia.org/wiki/Michael_Sendivogius

    He discovered that air is not a single substance and contains a life-giving substance – later called oxygen – 170 years before Scheele's discovery of the element. He correctly identified this "food of life" with the gas (also oxygen) given off by heating nitre ( saltpetre ). [ 1 ]

  7. Discovery of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_chemical_elements

    Perey discovered it as a decay product of 227 Ac. [177] Francium was the last element to be discovered in nature, rather than synthesized in the lab, although four of the "synthetic" elements that were discovered later (plutonium, neptunium, astatine, and promethium) were eventually found in trace amounts in nature as well. [178]

  8. Nine elements on periodic table have been discovered using ...

    www.aol.com/nine-elements-periodic-table...

    So, element 105 was named dubnium, and element 106 was named seaborgium. The elements were placed in the periodic table’s seventh row, which is above the row of lanthanides and the row of actinides.

  9. Scientists Discovered a Surprise 6th Mass Extinction, Which ...

    www.aol.com/scientists-discovered-surprise-6th...

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