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  2. Uniform Mark Scheme - Wikipedia

    en.wikipedia.org/wiki/Uniform_Mark_Scheme

    These modules and courseworks for a specific A Level combine to give a total UMS mark. For example, an A level Chemistry course might consist of 4 exams worth 90 UMS and 2 exams worth 120 UMS, totalling a maximum of 600 UMS. From 2008 onward, many subjects moved from 600 to 400 UMS for the A-level, and from 300 to 200 UMS for the AS.

  3. List of Advanced Level subjects - Wikipedia

    en.wikipedia.org/wiki/List_of_Advanced_Level...

    This page was last edited on 3 December 2023, at 01:55 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. A-level (United Kingdom) - Wikipedia

    en.wikipedia.org/wiki/A-level_(United_Kingdom)

    The O grade was equivalent to a GCE Ordinary Level pass which indicated a performance equivalent to the lowest pass grade at Ordinary Level.. Over time, the validity of this system was questioned because, rather than reflecting a standard, norm referencing simply maintained a specific proportion of candidates at each grade, which in small cohorts was subject to statistical fluctuations in ...

  5. A-level - Wikipedia

    en.wikipedia.org/wiki/A-level

    The A-level (Advanced Level) is a subject-based qualification conferred as part of the General Certificate of Education, as well as a school leaving qualification offered by the educational bodies in the United Kingdom and the educational authorities of British Crown dependencies to students completing secondary or pre-university education. [1]

  6. Edexcel - Wikipedia

    en.wikipedia.org/wiki/Edexcel

    An additional petition was started by a 17-year-old student requesting to "Ensure the representation of women on the A-Level Music syllabus." The petition asks that music composed by women be added to the Edexcel A-Level Music syllabus which "has a total of 63 different set works from a variety of musical genres and eras."

  7. Examination boards in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Examination_boards_in_the...

    To create a more egalitarian system, the O Levels and CSE (but not the A Level) were replaced by the General Certificate of Secondary Education (GCSE) in 1986. [11] As O Levels and CSEs had used different exam boards (except in Wales and Northern Ireland), new 'examining groups' were created.

  8. Structural formula - Wikipedia

    en.wikipedia.org/wiki/Structural_formula

    Skeletal structural formula of Vitamin B 12. Many organic molecules are too complicated to be specified by a molecular formula. The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are connected to one another. [1]

  9. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.