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 phosphorus and antimony. Arsenic is a notoriously toxic heavy metal.
Arsenic | Definition, Symbol, Uses, & Facts | Britannica
5 天之前 · 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, and it was first clearly identified as a free substance in 1649 by German pharmacist Johann Schroeder.
Arsenic - Element information, properties and uses | Periodic Table
Element Arsenic (As), Group 15, Atomic Number 33, p-block, Mass 74.922. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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, 41 (10), 3199-3205. DOI:10.1063/1.1725697.
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 is notorious for its toxicity.
Arsenic Facts: Chemical & Physical Properties - ThoughtCo
2019年7月3日 · Get periodic table facts on the chemical and physical properties of the element arsenic, which is used as a doping agent in solid-state devices.
Arsenic - Toxic, Reactions, Compounds | Britannica
5 天之前 · In its most stable elemental state, arsenic is a steel-gray, brittle solid with low thermal and electrical conductivity. Although some forms of elemental arsenic are metal-like, the element is best classified as a nonmetal.
Arsenic Element Facts - chemicool.com
Despite its potential toxicity, arsenic is also an essential element, necessary to our physiology. A level of 0.00001% is needed for growth and for a healthy nervous system. Abundance earth’s crust: 1.8 parts per million by weight, 0.5 parts per million by moles.
All about arsenic - Nature Chemistry
2011年8月23日 · Arsenic is the twentieth most abundant element on earth and is fairly ubiquitous in living systems — consequently arsenic poisoning poses a real threat to many people around the world.
Arsenic (As) Element: Important Properties, Uses, Toxicity
2023年5月4日 · Arsenic is the metallic element with the atomic number 33 and is represented by the symbol ‘As’ in the periodic table. It is classified as a metalloid and belongs to the p-block of group 15 of the periodic table. It is a brittle silvery-grey semi metal. It has three allotropic forms yellow, black, and grey.
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