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Arsenic poisoning has subtle, yet painful symptoms as was seen in Bangladesh from their pollution. Subscribe for new videos: http://goo.gl/SaufF4 Watch the lightning strike video here: http://goo.gl/5Wr9sW Watch the flesh eating bacteria video here: http://goo.gl/FPwtCK Over 137 million people in over 70 countries are affected by arsenic poisoning.

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The group of the pirncetogen includes nitrogen, phosphorus, arsenic, antimony, bismuth, ununpentium.  What makes all of these elements alike is the ability to form stable compounds, due to their likelihood to form double and triple covalent bonds. All these elements are also solids at room temperature, except for nitrogen(which is a gas at room tempature).

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Arsenic is very important for many different reasons. ne reason that arsenic is important is because we, as humans, use it to prevent unwanted critters from wandering into our homes. Another reason that arsenic is important is because we have been using and depending on it for centuries. Although arsenic is important for many positive reasons, a negative reason that arsenic is important is due to arsenic poisoning.

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Arsenic by itself is a very, very dangerous substance it is even deadly. it was given the name "the silent killer" because it won't leave any evidence if you were to kill someone with it. Arsenic is in places like water, rice, soil and is used to feed livestock, but over exposure to arsenic is unsafe and can lead to forms of cancer and death. A very simple form of arsenic was developed during WWII and was a colorless, odorless, gas ,but was not used due to its high flammability. Although arsine was not used during WWII it was the base of other chemical gases that were soon weaponizied. One more great danger that arsenic can cause to your body is black foot disease. Black foot disease was an epidemic during the early 20th centuries. it was confined to the southwestern coast of Twain  and peaked during 1956 to 1960.

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Arsenic is element number 33. Videos about all the elements at http://www.periodicvideos.com/

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Although Albertus Mangus was credited for the dicorvery of arsenic in 1250, it was used as a compound before then. Arsenic compounds have been known since the times of Ancient Greece and Rome. During that time the main use of arsenic was in the form of arsenic sulfide. The first people to recognize arsenic were alchemists, who were trying to find ways to turn  iron, copper, and others metals into gold in pursuit of eternal life. The way that Albertus Mangus discovered arsenic was by heating a vey common compound of arsenic , orpiment(As2S3), with soap. The result of this experiment was an almost pure form of arsenic.

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Arsenic- As
Arsenic Acid, Sodium Salt-AsH3O4.xNa
Arsenic Trioxide- As2O3
Arsenic Trioxide- As4O6
Arsine- AsH3
Calcium Arsenate- Ca3(AsO4)2
Copper Acetoarsenite- Cu)3As2O3Cu(C2H2)2
Copper Arsenate- CuAsHO3

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http://environmentalchemistry.com/yogi/periodic/As-compounds.html

https://en.wikipedia.org/wiki/Arsenic

https://en.wikipedia.org/wiki/Arsine#Chemical_warfare

http://www.chemistryexplained.com/elements/A-C/Arsenic.html

http://chemistry.about.com/od/chemistryglossary/a/pnictogendef.htm

https://www.ncbi.nlm.nih.gov/pubmed/16291522

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Element Name- Arsenic
Symbol- As
Atomic Number- 33
Atomic Mass- 74.921525
Melting Point- 817degrees C
Boiling Point- 614 degrees C
Density- 5.727 grams per cubic centimeter
Phase at Room Temperature- Solid
Element Class- Semi-metal
Period Number- 4
Group number- 15
Group Name- Pinctogen
Abundance in Earth's Crust- 0.00021%

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Arsenic poisoning is caused my high levels of arsenic in the body. Small amounts of arsenic are found in soil, water and air. Due to the amount of arsenic in all these very abundant places plants take it up when they are growing, therefore arsenic is also found in our food. The main source of arsenic poisoning is from food or drinking water. Some effects that long-term exposure to high levels of arsenic are  higher rates of skin cancer, bladder cancer, heart disease and can play a role in the development of diabeates, vascular cancer, and heart disease. In the western world the use of arsenic is rare, but in some places of the world, arsenic is still a popular pesticide, like in Asia.

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In 1950 wood was treated with chromated  copper arsenate and for decades this process was the main use of arsenic.The CCA, or the chromated copper arsenate, was invented by an Indian scientist by the name of Dr. Sonti Kamesam. The chromium acts as a chemical fixing agent in the CCA. Although it has little to no preserving properties, it helps to bind other chemicals through chemical complexes to the wood's first few layers of living, structured cells.

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alloys of lead

production of pesticides

production of herbicides

production of insecticides

treated hard wood

lethal gas

poison