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Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights .
Various foods. This is a categorically organized list of foods.Food is any substance consumed to provide nutritional support for the body. [1] It is produced either by plants, animals, or fungi, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, and minerals.
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
Explore the vast knowledge of Wikipedia through these helpful resources. If you have a specific topic in mind, use Wikipedia's search box. If you don't know exactly what you are looking for or wish to explore broad areas, click on a link in the header menu at the top of this page, or begin your browsing below:
Euler diagram showing the types of bodies orbiting the Sun. The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star
The best way to find out what exists is to browse. Either start at Wikipedia:Browse or Category:Articles, which shows the "top" level categories, to which all other categories should be connected. A list of all categories can be found at Special:Categories – there are many listed but you can use the search box.
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Every category should be a subcategory of another category. The top of the articles category hierarchy can be accessed at Category:Main topic classifications. If a suitable parent category likely exists but cannot be found, adding the {{Uncategorized}} tag is advisable. The category will then appear at Special:Uncategorizedcategories.