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Spectral lines of arsenic: Other properties; ... Physical, chemical, and ... value for arsenic metal and inorganic arsenic compounds is 5 mg/m 3 ...
Arsenic trioxide powder.. Compounds of arsenic resemble in some respects those of phosphorus which occupies the same group (column) of the periodic table.The most common oxidation states for arsenic are: −3 in the arsenides, which are alloy-like intermetallic compounds, +3 in the arsenites, and +5 in the arsenates and most organoarsenic compounds.
Arsenic: Selenium: Bromine: Krypton ... The table below is a summary of the key physical properties of the group 5 elements. ... [58] Properties of the group 5 ...
The soils hold 1 to 10 parts per million of arsenic, and seawater carries 1.6 parts per billion of arsenic. Arsenic comprises 100 parts per billion of a typical human by weight. Some arsenic exists in elemental form, but most arsenic is found in the arsenic minerals orpiment, realgar, arsenopyrite, and enargite. [14]
Arsenic is a semimetal, with an electrical conductivity of around 3.9 × 10 4 S•cm −1 and a band overlap of 0.5 eV. It has a moderate ionisation energy (947 kJ/mol), moderate electron affinity (79 kJ/mol), and moderate electronegativity (2.18). Arsenic is a poor oxidising agent (As + 3e → AsH 3 = –0.22 at pH 0). As a metalloid, its ...
Arsenic trioxide is an inorganic compound with the formula As 2 O 3. [5] As an industrial chemical, its major uses include the manufacture of wood preservatives, pesticides, and glass. [6] It is sold under the brand name Trisenox among others [2] [3] when used as a medication to treat a type of cancer known as acute promyelocytic leukemia. [7]
In its standard state arsine is a colorless, denser-than-air gas that is slightly soluble in water (2% at 20 °C) [1] and in many organic solvents as well. [citation needed] Arsine itself is odorless, [5] but it oxidizes in air and this creates a slight garlic or fish-like scent when the compound is present above 0.5 ppm. [6]
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