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Arsenic |
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33 germanium ← arsenic → selenium P ↑ As ↓ Sb periodic table General Name, Symbol, Number arsenic, As, 33 Chemical series metalloids Group, Period, Block 15, 4, p Appearance metallic gray Atomic mass 74.92160(2) g/mol Electron configuration [Ar] 3d10 4s2 4p3 Electrons per shell 2, 8, 18, 5 Physical properties Phase solid Density (near r.t.) 5.727 g·cm−3 Liquid density at m.p. 5.22 g·cm−3 Melting point 1090 K (817 °C, 1503& ...
Wikipedia - [full article]
Resources
- Agency for Toxic Substances and Disease Registry
- Arsenic (Agency for Toxic Substances and Disease Registry)
- Arsenic (Centers for Disease Control and Prevention)
- Arsenic (Medline Plus)
- Arsenic and Drinking Water from Private Wells (National Center for Infectious Diseases)
- Arsenic in Drinking Water (Environmental Protection Agency)
- Arsenic in Drinking Water (Environmental Protection Agency, Office of Water)
- Arsenic in Ground Water of the United States (U.S. Geological Survey)
- Cancellation of Residential Uses of CCA - Treated Wood (Environmental Protection Agency)
- Environmental Protection Agency
- High Levels of Arsenic in Chicken May Require Adjustment in Consumption (National Institute of Environmental Health Sciences)
- Inorganic Arsenical Pressure-Treated Wood, Including Chromate Copper Arsenate (CCA) (Environmental Protection Agency, Office of Prevention, Pesticides and Toxic Substances)
- Manufacturers to Use New Wood Preservatives, Replacing Most Residential Uses of CCA (Environmental Protection Agency, Office of Pesticide Programs)
- Public Health Statement for Arsenic (Agency for Toxic Substances and Disease Registry)
- Tox Town (National Library of Medicine) - Requires Flash Player (National Library Medicine)
- What is Arsenic? (Navy Environmental Health Center) - Links to PDF File
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