Arsenic - Wikipedia
WEBArsenic 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
WEBAug 1, 2024 · 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 …
Arsenic - Element information, properties and uses | Periodic Table
WEBElement Arsenic (As), Group 15, Atomic Number 33, p-block, Mass 74.922. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Arsenic Facts: Chemical & Physical Properties - ThoughtCo
WEBJul 3, 2019 · 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 Facts – Element As or 33 - Science Notes and Projects
WEBDec 3, 2023 · 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 - World Health Organization (WHO)
WEBDec 7, 2022 · Key facts. Arsenic is naturally present at high levels in the groundwater of several countries. Arsenic is highly toxic in its inorganic form. Contaminated water used for drinking, food preparation and irrigation of food crops poses the greatest threat to public health from arsenic.
Arsenic (As) - Periodic Table
WEBArsenic 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 and forty-two neutrons in its nucleus, and …
Arsenic - Toxic, Reactions, Compounds | Britannica
WEBAug 1, 2024 · 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.
All about arsenic - Nature Chemistry
WEBAug 23, 2011 · 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.
WebElements Periodic Table » Arsenic » the essentials
WEBThe element is a steel grey, very brittle, crystalline, semimetallic (metalloid) solid. It tarnishes in air, and when heated rapidly oxidises to arsenous oxide which has a garlic odour. Arsenic and its compounds are poisonous …
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