Halogen lamps are a type of incandescent lamp using a tungsten filament in bulbs that have small amounts of a halogen, such as iodine or bromine added. This enables the production of lamps …

Nov 7, 2025 · Halogen, 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 …

Oct 10, 2020 · Learn about the halogen elements. See where they are on the periodic table. Get the list of halogens and learn about their properties.

Nov 6, 2019 · Halogens are unique because they can exist as solids, liquids, and gases at room temperature. Halogens have seven valence electrons and very high electronegativities, …

Halogens are located on the right and found in group VIIa (new IUPAC) or group 17 (CAS) of the periodic table. Halogens have physical and chemical properties which are typical of non-metal.

The meaning of HALOGEN is any of the five elements fluorine, chlorine, bromine, iodine, and astatine that form part of group VIIA of the periodic table and exist in the free state normally as …

The halogen family includes fluorine, chlorine, bromine, iodine, astatine, and tennessine, element 117 – the most recent element to be discovered. In this article, we focus just on the first four …

The name 'halogen' originates from Greek words: 'halos' meaning 'salt' and 'genes' meaning 'to produce'. They are called salt-producers because they readily react with metals to form a wide …

This page discusses halogens, including their high reactivity, electron configuration with seven valence electrons, and physical states at room temperature—fluorine and chlorine are gases, …

May 18, 2018 · Halogen comes from Greek terms meaning "produce sea salt." None of the halogens occur naturally in the form of elements, but, except for astatine, they are very …