What are the properties of Group 2 elements (alkaline earth metals)?

B. What are total halogens? The halogen family, or Group VIIA on the periodic table of elements, includes fluorine, chlorine,. Halogens are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid and Iodine and astatine are solids. Halogens are very ... Nov 18, 2022 ... There are three general types of headlights in use on today's cars: halogen, HID, and LED. Each has its own pros and cons. Here's what you need to know. Halogens are chemical elements that have the property of reducing metals efficiently. In the process, metal salts are formed that are usually very soluble in ... The reactivity of halogens decreases as we move down the group in the periodic table. The order from most to least reactive is: Fluorine > Chlorine > Bromine > ... Chlorine is highly toxic by inhalation, leading to dyspnea, hypoxemia, airway obstruction, pneumonitis, pulmonary edema, and acute respiratory distress ... Jul 30, 2024 ... Key Takeaways: Halogens · The halogens are the elements in group 17 of the periodic table. · The halogen elements are fluorine, chlorine, ... Mar 18, 2025 ... The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). Aug 17, 2015 ... The halogens are a group in the periodic table consisting of five chemically related elements flourine (F), chlorine (Cl), bromine (Br), iodine (I) and ... Also known as High-Intensity Discharge (HID) lamps, xenon headlights deliver a white-blue light, approximately two to three times brighter than a halogen, last ...