Discuss the complex role of halogens in stratospheric ozone chemistry. How are halogens used in nuclear chemistry or nuclear medicine

... halogens according to their position in the periodic table belong to Group VIIA, which means they have seven valence electrons and need an additional ... Explain some trends when going down Group 7 of Halogens in the Periodic Table. Going down Group 7 in the period table, the mass number increases, so the ... Page 1. 1. H. Hydrogen. 1.008. 11. Na. Sodium. 22.989. 19. K. Potassium. 39.098. 37. Rb. Rubidium. 85.468. 55. Cs. Cesium. 132.905. 87. Fr. Francium. THE METALS!! Page 16. Alkali Metals. ○ Group 1 on periodic table. ○ Very reactive. ○ Soft solids. ○ Readily combine with halogens. ○ Tendency to lose one ... The Basic Properties of Halogens. Halogens, which fall under Group 7 of the periodic table, are known for their vibrant colors. For instance, fluorine ( F_2 ) ... Group 17 contains some of the most reactive elements on the periodic table. As you explore this group, become familiar with the halogens, a group of e… Jun 30, 2023 ... These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and ... Nov 28, 2024 ... Halogen properties are identified by their outer shell — each halogen element has seven valence electrons in its outer shell ... Dec 13, 2021 ... The table salt in your kitchen, for example, is a marriage between the alkali metal sodium and the halogen chlorine. Noble gases: Colorless ... A halogen is a chemical element from Group 17 (in the IUPAC convention) (formerly VII, VIIA) of the periodic table, composed of fluorine, chlorine, bromine, ...