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  2. Schaum's Outlines - Wikipedia

    en.wikipedia.org/wiki/Schaum's_Outlines

    Schaum's originally occupied the niche of college supplements, and the titles tend to be more advanced and rigorous. With the expansion of AP classes in high schools, Schaum's Outlines are positioned as AP supplements. The outline format makes explanations more terse than any other supplement.

  3. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

  4. Sachertorte - Wikipedia

    en.wikipedia.org/wiki/Sachertorte

    Sachertorte sold at a café Sachertorte from Budapest Sachertorte as a present. Sachertorte (UK: / ˈ z æ x ər t ɔːr t ə / ZAKH-ər-tor-tə, US: / ˈ s ɑː k ər t ɔːr t / SAH-kər-tort; German: [ˈzaxɐˌtɔʁtə] ⓘ) is a chocolate cake, or torte, of Austrian origin, [1] [2] invented by Franz Sacher, [3] supposedly in 1832 for Prince Metternich in Vienna.

  5. AP Chemistry - Wikipedia

    en.wikipedia.org/wiki/AP_Chemistry

    The 2014 AP Chemistry exam was the first administration of a redesigned test as a result of a redesigning of the AP Chemistry course. The exam format is now different from the previous years, with 60 multiple choice questions (now with only four answer choices per question), 3 long free response questions, and 4 short free response questions.

  6. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...

  7. Thiol - Wikipedia

    en.wikipedia.org/wiki/Thiol

    In organic chemistry, a thiol (/ ˈ θ aɪ ɒ l /; [1] from Ancient Greek θεῖον (theion) 'sulfur' [2]), or thiol derivative, is any organosulfur compound of the form R−SH, where R represents an alkyl or other organic substituent. The −SH functional group itself is referred to as either a thiol group or a sulfhydryl group, or a ...

  8. Chemical substance - Wikipedia

    en.wikipedia.org/wiki/Chemical_substance

    For example, the long-known sugar glucose is now systematically named 6-(hydroxymethyl)oxane-2,3,4,5-tetrol. Natural products and pharmaceuticals are also given simpler names, for example the mild pain-killer Naproxen is the more common name for the chemical compound (S)-6-methoxy-α-methyl-2-naphthaleneacetic acid.

  9. VSEPR theory - Wikipedia

    en.wikipedia.org/wiki/VSEPR_theory

    [18]: 1165 Examples of this include the octacyanomolybdate (Mo(CN) 4− 8) and octafluorozirconate (ZrF 4− 8) anions. [18]: 1165 The nonahydridorhenate ion (ReH 2− 9) in potassium nonahydridorhenate is a rare example of a compound with a steric number of 9, which has a tricapped trigonal prismatic geometry. [13]: 254 [18]