Scientists have to infer information about astatine through similar halogen elements like iodine. As astatine behaves similarly as iodine, it gets secreted in the thyroid gland. Hence it is used for treating diseases related to the thyroid. Radioactive Iodine 131 is already used to treat Thyroid cancers for example, because it preferentially accumulates in that organ. possible medical use, however. The first periodic table, produced by Russian chemist Dmitri Mendeleev in 1869, had a space directly underneath iodine. This alerted scientists to the possibility that if they looked, they could find the element that would fit into this space. The 71 years after Mendeleev published his first periodic table, the elemen… Mendeleyev named this unknown element eka-iodine due to its position directly below iodine in the halogen group of elements.
It is used in the diagnosis and treatment of various cancers. It is widely studied and used in nuclear medicine. The only commercially important isotope of astatine is astatine-211. The element to fill this space became known as eka-iodine. Metallic bismuth may be used as a target material. Astatine is similar to the elements above it in Group 17 (VIIA) of the periodic table, especially iodine. Many tried to find the new element in nature, but without success. Astatine is far too rare to have any uses. One property of iodine is that it tends to collect in the thyroid gland. It is also employed in the treatment of …
Several groups of scientists believe that astatine-211 could be used to treat certain types of cancer. 85, according to Peter van der Krogt, a Dutch historian. The isotope called Astatine-211 is utilized in the process of radiotherapy. The "time of flight" mass spectrometer has been used to confirm that this highly radioactive … Astatine can be used in the treatment of thyroid cancer and as a radioactive tracer. Dmitri Mendeleyev, the Russian chemist who in 1869 organized the elements into the periodic table that is still used today, predicted properties of the unknown element that would fill the blank space on the periodic table for element No.
Astatine is usually prepared according to the general equation: which indicates that bismuth -209 takes up one alpha particle and emits x neutrons to form an isotope of astatine, whose atomic weight depends on the number of neutrons lost.
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