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  2. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    [3] Happy Harry/Henry Listens B B C Network Over France Nevertheless Nothing More Arose So Peter Stopped Cleaning Airgun K Ca. [7] Ha. Healthy Little Beggar Boys Catching Newts Or Fish. [8] Hi, Here Little Beatniks Brandish Countless Number Of Flick kNives. [9] Nagging Maggie Always Sighs, "Please Stop Clowning Around." [10] (adapted) Hi Helium.

  3. BBC Bitesize - Wikipedia

    en.wikipedia.org/wiki/BBC_Bitesize

    The site was updated in 2014 to replace the Standard Grade section with National 4 and National 5 sections. Gaelic versions of these were also made available. Until 2014, in the Higher section, Biology, English, Geography, Maths, Chemistry, History, Modern Studies, Physics and the Scotland-only subject Scottish Gaelic were available.

  4. 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 ...

  5. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    Chemistry is the scientific study of the properties and behavior of matter. [1] 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.

  6. Quiz bowl - Wikipedia

    en.wikipedia.org/wiki/Quiz_bowl

    Other formats include a written worksheet round, where teams work together for 2–5 minutes to agree on their written answers. [20] [21] [22] Match length is determined by either a game clock or the number of questions in a packet. [3] [17] In most formats, a game ends once the moderator has finished reading every question in a packet, usually ...

  7. Screaming jelly babies - Wikipedia

    en.wikipedia.org/wiki/Screaming_jelly_babies

    4 KClO 3 → KCl + 3 KClO 4. The potassium perchlorate decomposes into potassium chloride and oxygen. KClO 4 → KCl + 2 O 2. The sugar in the candy reacts with oxygen, forming water and carbon dioxide. The reaction is exothermic and produces heat, smoke, and fire. C 12 H 22 O 11 (s) + 12 O 2 (g) → 12 CO 2 (g) + 11 H 2 O (g) + energy. [10]

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  9. Cheat sheet - Wikipedia

    en.wikipedia.org/wiki/Cheat_sheet

    A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference.

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