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The codes enclosed in angle-brackets < like this> are markup instructions (known as tags), while the text between these instructions is the actual text of the document. The codes h1, p, and em are examples of semantic markup, in that they describe the intended
The 1025 Pokémon are organized by their number in the National Pokédex—an in-game electronic encyclopedia that provides various information on Pokémon. The National Pokédex is subdivided into regional Pokédex series, each revolving around species introduced at the time of their respective generations along with older generations.
Many of these colors are from the list of X11 color names distributed with the X Window System. These colors were standardized by SVG 1.0, and are accepted by SVG Full user agents. They are not part of SVG Tiny. The list of colors shipped with the X11 product varies between implementations and clashes with certain of the HTML names such as green.
Dubnium is a synthetic chemical element; it has symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of about 16 hours.
Lawrencium is a synthetic chemical element; it has symbol Lr (formerly Lw) and atomic number 103. It is named in honor of Ernest Lawrence, inventor of the cyclotron, a device that was used to discover many artificial radioactive elements.
[1] [55] Nevertheless, new theoretical models show that the expected gap in energy between the proton orbitals 2f 7/2 (filled at element 114) and 2f 5/2 (filled at element 120) is smaller than expected, so that element 114 no longer appears to be a stable spherical closed nuclear shell, and this energy gap may increase the stability of elements ...
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 ...
After acknowledging the GSI team's discovery, the IUPAC asked them to suggest a permanent name for element 112. [63] [66] On 14 July 2009, they proposed copernicium with the element symbol Cp, after Nicolaus Copernicus "to honor an outstanding scientist, who changed our view of the world". [67]