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  2. Category:Chemistry templates - Wikipedia

    en.wikipedia.org/wiki/Category:Chemistry_templates

    [[Category:Chemistry templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Chemistry templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.

  3. Template reaction - Wikipedia

    en.wikipedia.org/wiki/Template_reaction

    Many template reactions are only stoichiometric, and the decomplexation of the "templating ion" can be difficult. The alkali metal-templated syntheses of crown ether syntheses are notable exceptions. Metal Phthalocyanines are generated by metal-templated condensations of phthalonitriles, but the liberation of metal-free phthalocyanine is difficult.

  4. Crystal polymorphism - Wikipedia

    en.wikipedia.org/wiki/Crystal_polymorphism

    Phase transitions (phase changes) that help describe polymorphism include polymorphic transitions as well as melting and vaporization transitions. According to IUPAC, a polymorphic transition is "A reversible transition of a solid crystalline phase at a certain temperature and pressure (the inversion point) to another phase of the same chemical composition with a different crystal structure."

  5. Polymorphism (biology) - Wikipedia

    en.wikipedia.org/wiki/Polymorphism_(biology)

    In biology, polymorphism [1] is the occurrence of two or more clearly different morphs or forms, also referred to as alternative phenotypes, in the population of a species. To be classified as such, morphs must occupy the same habitat at the same time and belong to a panmictic population (one with random mating).

  6. Index of chemistry articles - Wikipedia

    en.wikipedia.org/wiki/Index_of_chemistry_articles

    Chemistry (from Egyptian kēme (chem), meaning "earth" [1]) is the physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. [2] Below is a list of chemistry-related articles.

  7. Free High School Science Texts - Wikipedia

    en.wikipedia.org/wiki/Free_High_School_Science_Texts

    The Free High School Science Texts (FHSST) organization is a South African non-profit project, which creates open textbooks on scientific subjects. Textbooks are edited to follow the government's syllabus , and published under a Creative Commons license (CC BY [ 1 ] ), allowing teachers and students to print them or share them digitally.

  8. Wikipedia : Manual of Style/Chemistry/Structure drawing

    en.wikipedia.org/.../Chemistry/Structure_drawing

    ACD/ChemSketch is freeware available for personal, home, and educational use from ACDlabs.It has comprehensive chemical drawing features and can directly connect to PubChem, eMolecules and Chemspider to search these large databases by structure or substructure.

  9. Portal:Chemistry - Wikipedia

    en.wikipedia.org/wiki/Portal:Chemistry

    Chemistry is the scientific study of the properties and behavior of matter.It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.

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