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  2. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.

  3. Group (periodic table) - Wikipedia

    en.wikipedia.org/wiki/Group_(periodic_table)

    In the periodic table of the elements, each column is a group. In chemistry, a group (also known as a family) [1] is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between groups 2 and 3, are not numbered.

  4. Help:Table - Wikipedia

    en.wikipedia.org/wiki/Help:Table

    A table is an arrangement of columns and rows that organizes and positions data or images. Tables can be created on Wikipedia pages using special wikitext syntax, and many different styles and tricks can be used to customise them.

  5. Table (database) - Wikipedia

    en.wikipedia.org/wiki/Table_(database)

    In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. [1] A table has a specified number of columns, but can have any number of rows. [2]

  6. Help:Introduction to tables with Wiki Markup/All - Wikipedia

    en.wikipedia.org/wiki/Help:Introduction_to...

    The easiest way to insert a new table is to use the editing toolbar that appears when you edit a page (see image above). Clicking the button will open a dialog where you define what you want in your new table. Once you've chosen the number of rows and columns, the wiki markup text for the table is inserted into the article.

  7. Table (information) - Wikipedia

    en.wikipedia.org/wiki/Table_(information)

    Column 1 and row 2 will only correspond to cell (2,1) etc. The first column often presents information dimension description by which the rest of the table is navigated. This column is called "stub column". Tables may contain three or multiple dimensions and can be classified by the number of dimensions.

  8. Help:Creating tables - Wikipedia

    en.wikipedia.org/wiki/Help:Creating_tables

    The row number column created by Template:Static row numbers is not counted in these calculations. Fill in the "replace with" box with: $1[[$3]]$4. Then click "Replace all". The "m" number may be different if a table uses rowspan or colspan. If you want links for the first column the following will work with both compact and long table wikitext ...

  9. Types of periodic tables - Wikipedia

    en.wikipedia.org/wiki/Types_of_periodic_tables

    This table, which is a modernised version of von Bichowsky's table of 1918, [110] has 24 columns and 9 + 1 ⁄ 2 groups. Group 8 forms a connecting link or transitional zone between groups 7 and 1. Group 8 forms a connecting link or transitional zone between groups 7 and 1.