Title: Arsenic, Chemical Element - water, uses, elements, metal, gas, number, name, symbol
Headings: ARSENIC
ARSENIC
Overview
Discovery and naming
Physical properties
Chemical properties
Occurrence in nature
Isotopes
Extraction
Uses
Compounds
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Health effects
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Content: It prevents organisms from growing in the wood and causing it  to rot. In 1996, about 19,200,000 metric tons of arsenic were used for  this purpose. There is significant concern about the use of  arsenic-treated wood in playground equipment and raised garden beds  because of toxicity. Health effects
Arsenic and its compounds are toxic to animals. In low doses, arsenic  produces nausea, vomiting, and diarrhea. In larger doses, it causes  abnormal heart beat, damage to blood vessels, and a feeling of  "pins and needles" in hands and feet. Small corns or warts  may begin to develop on the palms of the hands and the soles of the feet. Direct contact with the skin can cause redness and swelling. The most important use of arsenic is in the preservation of wood. Long term exposure to arsenic and