Search results
Results From The WOW.Com Content Network
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]
The study of the absorption or release of heat during a chemical reaction. thermodynamic stability. The condition of a system being in its lowest energy state with its environment (equilibrium). thermodynamics. The study of the effects of changing temperature, volume or pressure (or work, heat, and energy) on a macroscopic scale.
The periodic table is a tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and chemical properties. It is a useful tool for understanding the patterns and trends of the elements and their interactions. Learn more about the history, structure, and significance of the periodic table on Wikipedia.
From Latin fluor meaning "a flowing", from mineral name fluorspar (calcium fluoride). Fluorspar was used to make iron flowing in smelting. Neon (Ne) 10 νέος (neos) Greek "new" From Greek νέος (neos), meaning "new". Sodium (Na) 11 soda: English From the English "soda", used in names for sodium compounds such as caustic soda, soda ash ...
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers ...
Logistics. A warehouse in South Jersey, a U.S. East Coast epicenter for logistics and warehouse construction outside Philadelphia, where trucks deliver slabs of granite [ 1] Logistics is the part of supply chain management that deals with the efficient forward and reverse flow of goods, services, and related information from the point of origin ...
Intermodal freight transport involves the transportation of freight in an intermodal container or vehicle, using multiple modes of transportation (e.g., rail, ship, aircraft, and truck ), without any handling of the freight itself when changing modes. The method reduces cargo handling, and so improves security, reduces damage and loss, and ...
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. Elements are identified by the number of protons in their nucleus, [ 1] known as the element's atomic number. [ 2] For example, oxygen has an atomic number of 8 ...