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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]
Penetration of the center: This involves exploiting a gap in the enemy line to drive directly to the enemy's command or base.Two ways of accomplishing this are separating enemy forces then using a reserve to exploit the gap (e.g. Battle of Chaeronea (338 BC)) or having fast, elite forces smash at a weak spot (or an area where your elites are at their best in striking power) and using reserves ...
This list of chemical elements named after people includes elements named for people both directly and indirectly. Of the 118 elements, 19 are connected with the names of 20 people. 15 elements were named to honor 16 scientists (as curium honours both Marie and Pierre Curie). Four others have indirect connection to the names of non-scientists. [1]
4X game. Expansion to Galactic Civilizations II: Dread Lords . Expansion to Heroes of Might and Magic V . Grand strategy. Grand strategy. Turn-based campaign map with real-time tactical battles. Expansion to Medieval II: Total War . Grand strategy. Turn-based campaign map with real-time tactical battles.
Battle or campaign Order of battle Date First Indochina War; Battle of Dien Bien Phu: French Operational Group North-West and Viet Minh: March 13 – May 7, 1954 Korean War; Korean War United Nations, North Korea, and People's Republic of China and People's Republic of China: June 1950 Korean War U.S. Eighth Army, U.S. Seventh Fleet, and U.S ...
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.
The Bougainville campaign was a series of land and naval battles of the Pacific campaign of World War II between Allied forces and the Empire of Japan, named after the island of Bougainville. It was part of Operation Cartwheel, the Allied grand strategy in the South Pacific. The campaign took place in the Northern Solomons in two phases.
The Air Defense Artillery Branch is the air defense branch of the United States Army, specializing in the use of anti-aircraft weapons (such as surface-to-air missiles) to conduct anti-aircraft warfare operations. In the U.S. Army, these groups are composed of mainly air defense systems such as the Patriot Missile System, Terminal High Altitude ...