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  2. 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.

  3. Reactivity series - Wikipedia

    en.wikipedia.org/wiki/Reactivity_series

    In chemistry, a reactivity series (or reactivity series of elements) is an empirical, calculated, and structurally analytical progression [1] of a series of metals, arranged by their "reactivity" from highest to lowest.

  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. List of boiling and freezing information of solvents - Wikipedia

    en.wikipedia.org/wiki/List_of_boiling_and...

    This Wikipedia page provides a comprehensive list of boiling and freezing points for various solvents.

  6. Past paper - Wikipedia

    en.wikipedia.org/wiki/Past_paper

    A past paper is an examination paper from a previous year or previous years, usually used either for exam practice or for tests such as University of Oxford, [1] [2] University of Cambridge [3] College Collections. Exam candidates find past papers valuable in test preparation.

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    This highly-rated face serum is just $10: 'Totally changed my 64-year-old skin' AOL. AOL Reviewed: Drew Barrymore’s grind-and-brew coffee maker is equal parts attractive, affordable, and functional.

  8. Outline of chemistry - Wikipedia

    en.wikipedia.org/wiki/Outline_of_chemistry

    The following outline acts as an overview of and topical guide to chemistry: . Chemistry is the science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate to the chemical reactions.

  9. Stock market today: Indexes slip as bond yields disrupt ...

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    Investors have pared back gains after Thursday's mixed jobless claims data, which sent the 10-year Treasury yield above 4.6% and reached a seven-month high. The rate fell back modestly on Friday.

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