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  2. College Level Examination Program - Wikipedia

    en.wikipedia.org/wiki/College_Level_Examination...

    The tests are free to U.S. military service members and some veterans. [7] [8] There is an additional fee of $10 for the optional essay portion of some of the exams. Each test usually corresponds to a one or two semester introductory course on the topic, though the Spanish, French, and German Language exams can be used to earn up to 12 credits.

  3. Chemistry Education Research and Practice - Wikipedia

    en.wikipedia.org/wiki/Chemistry_Education...

    Chemistry Education Research and Practice is a quarterly peer-reviewed open access academic journal published by the Royal Society of Chemistry covering chemistry education. The editor-in-chief is Gwen Lawrie of the University of Queensland .

  4. Electron capture - Wikipedia

    en.wikipedia.org/wiki/Electron_capture

    For example, in 7 Be, a difference of 0.9% has been observed between half-lives in metallic and insulating environments. [9] This relatively large effect is because beryllium is a small atom that employs valence electrons that are close to the nucleus, and also in orbitals with no orbital angular momentum.

  5. 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.

  6. GRE Chemistry Test - Wikipedia

    en.wikipedia.org/wiki/GRE_Chemistry_Test

    The GRE subject test in chemistry is a standardized test in the United States created by the Educational Testing Service, and is designed to assess a candidate's potential for graduate or post-graduate study in the field of chemistry. It contains questions from many fields of chemistry. 15% of the questions will come from analytical chemistry ...

  7. Analytical chemistry - Wikipedia

    en.wikipedia.org/wiki/Analytical_chemistry

    The late 20th century also saw an expansion of the application of analytical chemistry from somewhat academic chemical questions to forensic, environmental, industrial and medical questions, such as in histology. [7] Modern analytical chemistry is dominated by instrumental analysis. Many analytical chemists focus on a single type of instrument.

  8. Ash (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Ash_(chemistry)

    A crucible and tongs, on a green mat. The ash content of a sample is a measure of the amount of inorganic noncombustible material it contains. The residues after a sample is completely burnt - in contrast to the ash remaining after incomplete combustion - typically consist of oxides of the inorganic elements present in the original sample.

  9. Chinese Lunar Exploration Program - Wikipedia

    en.wikipedia.org/wiki/Chinese_Lunar_Exploration...

    The Chinese Lunar Exploration Program (CLEP; Chinese: 中国探月工程; pinyin: Zhōngguó Tànyuè Gōngchéng), also known as the Chang'e Project (Chinese: 嫦娥工程; pinyin: Cháng'é Gōngchéng) after the Chinese Moon goddess Chang'e, is an ongoing series of robotic Moon missions by the China National Space Administration (CNSA).

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