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  2. IUPAC nomenclature of organic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    For example, C(CH 3) 4 (neopentane) is named 2,2-dimethylpropane. If there are different groups, they are added in alphabetical order, separated by commas or hyphens. The longest possible main alkane chain is used; therefore 3-ethyl-4-methylhexane instead of 2,3-diethylpentane, even though these describe equivalent structures.

  3. Alphabetical order - Wikipedia

    en.wikipedia.org/wiki/Alphabetical_order

    A standard example is the Unicode Collation Algorithm, which can be used to put strings containing any Unicode symbols into (an extension of) alphabetical order. [14] It can be made to conform to most of the language-specific conventions described above by tailoring its default collation table.

  4. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).

  5. List of colors: A–F - Wikipedia

    en.wikipedia.org/wiki/List_of_colors:_A–F

    This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. Colors are an important part of visual arts, fashion, interior design, and many other fields and disciplines. The following is a list of colors. A number of the color swatches below are taken from domain-specific naming schemes such as X11 or HTML4. RGB values are given for each swatch ...

  6. List of plant genus names with etymologies (A–C) - Wikipedia

    en.wikipedia.org/wiki/List_of_plant_genus_names...

    Plants of the World is also used for the family and order classification for each genus. The second column gives a meaning or derivation of the word, such as a language of origin. The second column gives a meaning or derivation of the word, such as a language of origin.

  7. Help:Alphabetical order - Wikipedia

    en.wikipedia.org/wiki/Help:Alphabetical_order

    The alphabetical order used by Wikipedia is based on the Unicode order and corresponds to American Standard Code for Information Interchange. Blank spaces between words in a page name are treated as an underscore "_", and are therefore ordered after upper case letters and before lower case letters. Blank spaces after a page name come before any ...

  8. List of musical instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_instruments

    This is a list of musical instruments, including percussion, wind, stringed, and electronic instruments. Percussion instruments (idiophones, membranophones, struck chordophones, blown percussion instruments)

  9. Abecedarius - Wikipedia

    en.wikipedia.org/wiki/Abecedarius

    In this work, the first letter of each verse, highlighted in bold, is part of a series of letters that are in alphabetical order (from top to bottom). An abecedarius (also abecedary and abecedarian) is a special type of acrostic in which the first letter of every word, strophe or verse follows the order of the letters in the alphabet. [1] [2 ...