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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 (I), astatine (At), and tennessine (Ts). Learn more about the properties of halogens in this article.
20 wrz 2022 · The elements of Group VIIA (new Group 17 - fluorine, chlorine, bromine, iodine, and astatine) are called the halogens (yellow column). The term “halogen” means “salt-former” because these elements will readily react with alkali metal and alkaline earth metals to form halide salts.
30 cze 2023 · The halogens are located on the left of the noble gases on the periodic table. 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 astatine (At).
6 lis 2019 · The halogens are a group of elements on the periodic table. It is the only element group that includes elements capable of existing in three of the four main states of matter at room temperature: solid, liquid, and gas.
10 paź 2020 · The halogens are a periodic table group of elements. They are found on the righthand side of the periodic table, just to the left of the noble gas group. The halogens are group VII or 7 in older nomenclature and group 17 in modern IUPAC nomenclature.
18 maj 2018 · The Halogens on the Periodic Table. As noted, the halogens form Group 7 of the periodic table of elements. They are listed below, along with chemical symbol and atomic number: Fluorine (F) 9; Chlorine (Cl): 17; Bromine (Br): 35; Iodine (I): 53; Astatine (At): 85
30 lip 2024 · The halogens are the elements in group 17 of the periodic table. This is the next-to-last column of elements on the righthand side of the table. The halogen elements are fluorine, chlorine, bromine, iodine, astatine, and possibly tennessine. The halogens are highly reactive nonmetallic elements.
