Arsenic Facts

Arsenic Facts
Arsenic (As) has an atomic number of thirty-three, meaning it has thirty-three protons in the atom's nucleus. This element historically has a reputation for being used as a poison, although many other uses have been found.
Interesting Arsenic Facts:
Arsenic has been in use since ancient times, specifically by Greek, Egyptian, and Chinese civilizations.
Arsenic's name has grown from Syriac, Perisan, to Greek, then ultimately to Latin.
It was used during the Bronze Age to strengthen the alloy.
Arsenic is still used to harden alloys, specifically lead and copper.
The first known person to isolate arsenic as an element was Albertus Magnus in 1250.
Arsenic has three common allotropes, gray, yellow, and black arsenic.
Gray arsenic is the most stable form.
Yellow arsenic is the most unstable and the most poisonous.
Arsenic has one stable isotope, As-75.
As many as thirty-three radioactive isotopes have also been produced.
The fumes from heated arsenic, which forms an oxidation of arsenic, smell like garlic.
Arsenic is readily absorbed by plants and farm produce from groundwater and soil, often leading to food poisoning.
Most of the arsenic mining operations globally have stopped for environmental reasons.
Arsenic is still produced as a byproduct of copper purification.
Arsenic's toxicity is actually beneficial in fighting fungus, bacteria, and insects in wood preservation.
It is used in vast pesticides for agriculture.
Arsenic is actually added to livestock feed to produce higher weight animals and to fight disease.
Arsenic has also been used as a component of World War I-era chemical weapons and in Agent Blue, a Vietnam Era herbicide.
Despite its toxicity, arsenic has a long history of being used for medicinal purposes, including as a skin bleaching agent, a cancer treatment, and an early syphilis cure.
In 2000, the FDA approved arsenic as a treatment for some forms of leukemia.
It has recently become an indicator in cancer-detecting PET scans as it is more readily readable than the common indicator iodine.

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