What are some interesting or unusual facts about halogens?

Jun 16, 2014 ... A material contains less than 900 ppm (parts per million) each or a total of less than 1500 ppm of bromine and chlorine, then a material is considered to be ... A cable is halogen-free if no halogens such as chlorine, fluorine or bromine are used in the cable's insulation and sheath material. Jun 28, 2017 ... We show that halogens acting as hydrogen bond acceptors potentially make a more favorable contribution to ligand binding than halogen bonds based on quantum ... Halogens include the elements fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). All of them are relatively common on Earth except for ... B. What are total halogens? The halogen family, or Group VIIA on the periodic table of elements, includes fluorine, chlorine,. What are the advantages of Halogen Bulbs? · Brighter, whiter light · Long Life: 3x longer than standard incandescents · Equivalent light output at lower wattage ... Halogens are chemicals that use an element from the 17th column of the periodic table as one of their components. In wire and cable compounds, the halogen- ... Halogen heaters are usually environmentally friendly, safe to use and easy to install, making them ideal for heating small intimate areas. However, they are not ... Halogens can be defined as elements that form salts when they react with metals. There are six halogens- fluorine, chlorine, bromine, iodine, astatine, and ... Fluorine compounds containing fluoride are added to toothpaste and often to drinking water to strengthen teeth and prevent cavities. Chlorine compounds are used ...