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Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
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PubChem is providing this periodic table page in order to help navigate abundant chemical element data available in PubChem. When exploring the table or list views on this page, please note the links to dedicated pages for each element. These individual element summary pages contain a lot of additional information as well as references.
Los cuatro elementos sublunares: fuego, agua, aire y tierra, según un grabado de 1472. Los cuatro o cinco elementos de la naturaleza —habitualmente, el agua, la tierra, el fuego y el aire, a los que suele añadirse la quintaesencia o éter — eran, para muchas doctrinas antiguas, los constituyentes básicos de la materia y explicaban el ...
Explore the chemical elements through this interactive periodic table that shows their atomic numbers, names, symbols, and properties. Learn about the periodic trends, groups, periods, and lanthanoids of the 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]
t. e. A chemical element is a chemical substance that cannot be broken down into other substances by chemical reactions. The basic particle that constitutes a chemical element is the atom. Chemical elements are identified by the number of protons in the nuclei of their atoms, [1] known as the element's atomic number. [2] .
