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conjugate base
the particle formed when an acid has donated a hydrogen ion
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  December 22 in chemistry
  1838 - Vladimir Markovnikov born: synthesis of cyclobutane and cyclopentane derivatives; Markovnikov's rule for additions to alkenes.
  1870 - William L. Evans born: chemistry of carbohydrates; click for more details on carbohydrate nomenclature.
  1884 - St. Elmo Brady born: first African-American to earn a Ph.D. in chemistry.
  1900 - Arie Jan Haagen-Smit born: nature and source of smog; smog abatement.
  1900 - John C. Slater born: orbital approaches to quantum chemistry (Slater-type orbitals, Slater determinant).
   sources: http://webserver.lemoyne.edu/faculty/giunta/week.html, http://todayinsci.com

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