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  2. You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. IUPAC numerical multiplier - Wikipedia

    en.wikipedia.org/wiki/IUPAC_numerical_multiplier

    The IUPAC numerical multiplier is a system of prefixes used in chemistry to indicate the number of atoms or groups in a molecule.

  4. List of copper ores - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_ores

    Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide Following is a list of minerals that serve as copper ores in the ...

  5. Tetravinyltin - Wikipedia

    en.wikipedia.org/wiki/Tetravinyltin

    Upon heating, a mixture of tetravinyltin and tin tetrachloride undergo disproportionation to form divinyltin dichloride, vinyltin trichloride, and trivinyltin chloride in high yields. [2]

  6. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers.In English and many other languages, they are used to coin numerous series of words.

  7. Tetramorph - Wikipedia

    en.wikipedia.org/wiki/Tetramorph

    The term is derived from the Greek tetra, meaning four, and morph, shape. The word comes from the Greek for "four forms" or "shapes". In English usage, each symbol may be described as a tetramorph in the singular, and a group as "the tetramorphs", but usually only in contexts where all four are included.

  8. Pyromellitic dianhydride - Wikipedia

    en.wikipedia.org/wiki/Pyromellitic_dianhydride

    PMDA is used in PET bottle recycling as a chain extender.It increases the molecular weight of the polymer by linking-together alcohol and carboxylic acid groups formed by hydrolysis of the PET.

  9. 1,1,1-Trichloroethane - Wikipedia

    en.wikipedia.org/wiki/1,1,1-Trichloroethane

    1,1,1-Trichloroethane is an excellent solvent for many organic compounds and also one of the least toxic of the chlorinated hydrocarbons.It is generally considered non-polar, but owing to the good polarizability of the chlorine atoms, it is a superior solvent for organic compounds that do not dissolve well in hydrocarbons such as hexane.