Periodic Table of the Elements by WebElements Interactive periodic table. Clicking on an element brings up a list of general properties and data, and information on its discovery, history, uses, geologic occurrence and abundance, compounds and chemical isolation.
Dynamic Periodic Table Interactive Web 2.0 periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, search. Full descriptions. Includes interactive visualizations, properties, orbitals, isotopes, and compound mixing.
HTML element - Wikipedia, the free encyclopedia An HTML element is an individual component of an HTML document or web page, once this has been parsed into the Document Object Model. HTML is composed of a tree of HTML elements and other nodes, such as text nodes. Each element can have HTML attributes sp
Extensible Markup Language (XML) 1.0 (Third Edition) 1.1 Origin and Goals XML was developed by an XML Working Group (originally known as the SGML Editorial Review Board) formed under the auspices of the World Wide Web Consortium (W3C) in 1996. It was chaired by Jon Bosak of Sun Microsystems with the ...
Periodic table - chart of all chemical elements An interactive, printable extended version of the Periodic table of chemical elements of Mendeleev (who invented the periodic table). (The above picture of the periodic system is interactive - no need to download, just click on an element. For schools and
Element Index | HTML5 Doctor This is a quick reference of elements that are new or have been redefined in HTML5. For each element there is a short description, a link to the specification, and a code example. “Our prognosis” links to the HTML5 Doctor article on the element. There are
HTML Techniques for Web Content Accessibility Guidelines 1.0 1 Document structure and metadata Content developers should use structural markup and use it according to specification. Structural elements and attribute (refer to the index of HTML elements and attributes to identify them) promote consistency in documen
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Chemical element - Wikipedia, the free encyclopedia A chemical element (often just element when the chemical context is implicit) is a pure chemical substance consisting of a single type of atom distinguished by its atomic number, which is the number of protons in its atomic nucleus. Elements are divided i
