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11月8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, and it was …
砷 - 维基百科，自由的百科全书
砷 shēn （英語： Arsenic），旧称 砒，是一種 化學元素， 化學符號 为 As， 原子序數 为33， 原子量 為 74.921 595 u。 砷分布在多种矿物中，通常与硫和其它金属元素共存，也有纯的元素 …
Arsenic - World Health Organization (WHO)
2022年12月7日 · Arsenic is one of WHO’s 10 chemicals of major public health concern. WHO’s work to reduce arsenic exposure includes setting guideline values, reviewing evidence and …
砷（化学元素）_百度百科
砷（Arsenic）， 元素周期表 第四周期第15族准金属元素，元素符号As，原子序数33，相对原子质量74.92。 [2] 砷是类金属元素，有灰砷（金属砷）、黄砷和黑砷三种 同素异形体 。
Arsenic | As (Element) - PubChem
Arsenic is used in bronzing, pyrotechny, and for hardening and improving the sphericity of shot. The most important compounds are white arsenic, the sulfide, Paris green, calcium arsenate, …
Arsenic - Element information, properties and uses | Periodic Table
Arsenic, atomic number 33 lies in between phosphorus and antimony in group 15, the so called Nitrogen group of the periodic table. Members of the group including of course nitrogen, along …
Arsenic is found widely in Earth’s crust in oxidation states of –3, 0, +3 and +5, often as sulfides or metal arsenides or arsenates. In water, it is mostly present as arsenate (+5),
2013年7月23日 · Arsenic is a naturally occurring element that is found in combination with either inorganic or organic substances to form many different compounds. Inorganic arsenic …
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 …