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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 ). [ 1]
HTML editors that support What You See Is What You Get paradigm provide a user interface similar to a word processor for creating HTML documents, as an alternative to manual coding. [1] Achieving true WYSIWYG however is not always possible.
Bootstrap (formerly Twitter Bootstrap) is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML, CSS and (optionally) JavaScript -based design templates for typography, forms, buttons, navigation, and other interface components. As of May 2023, Bootstrap is the 17th most starred ...
Editors can experiment in this template's sandbox ( create | mirror) and testcases ( create) pages. Add categories to the /doc subpage. Subpages of this template. Category: Periodic table navigation templates.
The following table lists the various web template engines used in Web template systems and a brief rundown of their features. Engine (implementation) [ a] Languages [ b] License [ c] Variables [ d] Functions [ e] Includes [ f] Conditional inclusion [ g] Looping [ h]
e. Cascading Style Sheets ( CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML ). [ 1] CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
Usage. This navbox is intended for use at the bottom of the documentation pages of list-generating and -formatting templates. It takes no parameters. The above documentation is transcluded from Template:HTML lists/doc. ( edit | history) Editors can experiment in this template's sandbox ( create | mirror) and testcases ( create) pages. Add ...
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...