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  2. United States National Chemistry Olympiad - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    The United States National Chemistry Olympiad (or USNCO) is a contest held by the American Chemical Society (ACS) used to select the four-student team that represents the United States at the International Chemistry Olympiad (IChO). Each local ACS section selects 10 students (or more for larger ACS sections) to take the USNCO National Exam. To ...

  3. Chemical purity - Wikipedia

    en.wikipedia.org/wiki/Chemical_purity

    ACS grade is the highest level of purity, and meets the standards set by the American Chemical Society (ACS). The official descriptions of the ACS levels of purity is documented in the Reagent Chemicals publication, issued by the ACS. [3] [4] It is suitable for food and laboratory uses. Reagent grade is almost as stringent as the ACS grade.

  4. American Chemical Society - Wikipedia

    en.wikipedia.org/wiki/American_Chemical_Society

    In 1874, a group of American chemists gathered at the Joseph Priestley House to mark the 100th anniversary of Priestley's discovery of oxygen.Although there was an American scientific society at that time (the American Association for the Advancement of Science, founded in 1848), the growth of chemistry in the U.S. prompted those assembled to consider founding a new society that would focus ...

  5. Organic chemistry - Wikipedia

    en.wikipedia.org/wiki/Organic_chemistry

    Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1]

  6. Carbonyl group - Wikipedia

    en.wikipedia.org/wiki/Carbonyl_group

    For organic chemistry, a carbonyl group is a functional group with the formula C=O, composed of a carbon atom double-bonded to an oxygen atom, and it is divalent at the C atom. It is common to several classes of organic compounds (such as aldehydes, ketones and carboxylic acids), as part of many larger functional groups. A compound containing a ...

  7. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. International Union of Pure and Applied Chemistry - Wikipedia

    en.wikipedia.org/wiki/International_Union_of...

    IUPAC Nomenclature of Organic Chemistry, also known as the "Blue Book", is a website published by the Advanced Chemistry Department Incorporated with the permission of IUPAC. This site is a compilation of the books A Guide to IUPAC Nomenclature of Organic Compounds and Nomenclature of Organic Chemistry. [58]

  9. Heisman watch: Who are the Heisman Trophy frontrunners after ...

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    The 2024 Heisman Trophy race is down to just a few contenders as the college football regular season comes to close.. With only two weeks remaining in the regular season, the top competitors for ...