WebApr 25, 2024 · Chlorine is a respiratory irritant, and inhaling it may cause pulmonary edema — an excessive buildup of fluid in the lungs that can lead to breathing difficulties. The gas can also cause eye... WebChlorine has been in use for thousands of years in other forms, but it wasn't named until 1810 by Sir Humphry Davy. Only fluorine is a lighter halogen than chlorine. It is the …
CDC Arsenic Emergency Preparedness & Response
WebApr 18, 2024 · It was first used by the Germans on April 22, 1915. It was the Second Battle of Ypres, and the surprise use of chlorine gas was extremely effective, wiping out two … WebJan 29, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. target heart rate after cabg
Chlorine: When is it Dangerous for Your Health? - WebMD
WebApr 22, 2012 · Germans introduce poison gas. On April 22, 1915, German forces shock Allied soldiers along the western front by firing more than 150 tons of lethal chlorine gas against two French colonial ... Webhalogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). They were given the name halogen, from the Greek roots hal- (“salt”) and -gen (“to produce”), because they all produce sodium salts of similar … WebBromine is a chemical element with the symbol Br and atomic number 35. It is a member of the halogen group of elements, which also includes fluorine, chlorine, iodine, and astatine. Bromine is a highly reactive, reddish-brown, volatile liquid at room temperature, with a strong, pungent smell. target heart rate calculator aha