Arsenic - Wikipedia
Arsenic is a chemical element with the symbol As and the atomic number 33. It is a metalloid and one of the pnictogens, and therefore shares many properties with its group 15 neighbors …
Arsenic | Definition, Symbol, Uses, & Facts | Britannica
2024年12月29日 · Arsenic, a chemical element in the nitrogen group (Group 15 [Va] of the periodic table), existing in both gray and yellow crystalline forms. Its chemical symbol is As, …
List of chemical elements - Wikipedia
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 …
List of elements by symbol - Simple English Wikipedia, the free ...
This is a list of elements by atomic number with symbol. 262.
Arsenic | As | CID 5359596 - PubChem
Arsenic is a naturally occurring element widely distributed in the earth's crust. In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. …
Arsenic | As (Element) - PubChem
Arsenic is a chemical element with symbol As and atomic number 33. Classified as a metalloid, Arsenic is a solid at room temperature. [Ar]4s 2 3d 10 4p 3. J.C. Slater, J Chem Phys, 1964, …
Arsenic - Element information, properties and uses | Periodic Table
Chemistry in its element is brought to you by the Royal Society of Chemistry and produced by thenakedscientists.com. There's more information and other episodes of Chemistry in its …
Arsenic Facts – Element As or 33 - Science Notes and Projects
2023年12月3日 · Arsenic is a chemical element with the symbol As and atomic number 33, making it a part of the pnictogen or nitrogen group in the periodic table. This metalloid element …
Arsenic (As) - Periodic Table
Arsenic is the 33rd element in the periodic table and has a symbol of As and atomic number of 33. It has an atomic weight of 74.92159 and a mass number of 75. Arsenic has thirty-three protons …
Arsenic (As) - Periodic Table
Arsenic is a chemical element of the periodic table with chemical symbol As and atomic number 33 with an atomic weight of 74.9216 u and is classed as metalloid and is part of group 15 …