A chemical element that is not a metal but has similar characteristics
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What oxidation state is arsenite
+3
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What is considered more dangerous
Inorganic arsenic
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What is geological weathering
Is the baseline levels of trace elements produced by metal bearing formations
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Where does geological weathering have a larger effect
In areas with lots of metal bearing formations
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What are tailings
Dumps of waste material that result in river tailings releasing arsenic into the surrounding environment
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How does smelting cause pollution
By breaking down ore containing arsenic, realses the arsenic into the surrounding environment.
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Why is arsenic present in human and animal waste
For areas not affected by contamination, arsenic is present in additives for animal feed, which is excreted as waste but can accumulate in the body, which is consumed by humans.
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Why is organic arsenic still used in pesticides but not inorganic arsenic
organic arsenic is a lot less toxic and small amounts do not cause helath problems
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What is the reccomended arsenic levels in drinking water
10 μg/L
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What are the long term side effects of arsenic exposure
Cancer, diabetes, cardiovascular diseases and pulmonary diseases
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How does exposure to organic arsenic occur
Seafood,meat poultry and dairy products
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How does exposure to inorganic arsenic occur
Contaminated water, Tobacco, irrigated crops with contaminated water
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Other cards in this set
Card 2
Front
What oxidation state is arsenite
Back
+3
Card 3
Front
What is considered more dangerous
Back
Card 4
Front
What is geological weathering
Back
Card 5
Front
Where does geological weathering have a larger effect
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