Web6 nov. 2024 · The halogen elements are: Fluorine (F) Chlorine (Cl) Bromine (Br) Iodine (I) Astatine (At) Element 117 (ununseptium, Uus), to a certain extent. Although element 117 is in Group VIIA, scientists predict … WebHowever, astatine is radioactive and short-lived, so not commonly used. Halogenoalkane general formula. The general molecular formula for a halogenoalkane with a single halogen atom is C ... However, CFCs are extremely dangerous due to their effect on the ozone layer. As a result, they are now banned in many countries. Alternatives include ...
The fifth element in group 7 is astatine. Would you expect it
WebAnswer (1 of 2): Reactivity come in several forms. We could determine the answer to your question using an understanding of the type of reactivity you mean. I2 (iodine) is quite stable. It’s a viscous liquid but often a solid purple crystal at room temp. Astatine is a group 7A element and in the... WebAstatine is a dangerously radioactive element. Uses. There are currently no uses for astatine outside of research. The half-life of the most stable isotope is only 8 hours, and only tiny amounts have ever been produced. A mass ... olive oil tuscan bread
Astatine is a chemistry puzzle that shows anticancer promise
WebSince astatine is not naturally found in significant amounts and has a very short half-life of 8.1 hours or less, it does not present a significant health hazard. However, this man-made radioactive element can display the negative side of its radioactive properties if handled without care in the research labs or medical institutes. Web15 sep. 2024 · Scientists must be cautious around astatine. As mentioned above, this radioactive element can collect in the thyroid gland, which has detrimental effects on long … WebAnswer (1 of 2): Polonium is a metal not a metaloid. Astatine is a halogen and is believed to have properties consistent with the halogens though due to its considerable instability little is known. Tennessine is likewise suspected to be a halogen, and is hypothesized to be relatively stable co... olive oil use by date