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halogen 音标拼音: [h'ælədʒən]

n. 卤素

卤素

WordNet (r) 3.0 (2006) (WordNet)

halogen
n 1: any of five related nonmetallic elements (fluorine or
chlorine or bromine or iodine or astatine) that are all
monovalent and readily form negative ions

The Collaborative International Dictionary of English v.0.48 (gcide)

Halogen \Hal"o*gen\ (h[a^]l"[-o]*j[e^]n), n. [Gr. "a`ls, "alo`s,
salt -gen: cf. F. halog[`e]ne.] (Chem.)
An electro-negative element or radical, which, by combination
with a metal, forms a haloid salt; especially, chlorine,
fluorine, bromine, and iodine; sometimes, also cyanogen. See
{Chlorine family}, under {Chlorine}.
[1913 Webster]

English-German (Internet Dictionary Project)

Halogen[Noun]

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Halogen - Wikipedia
The halogens ( ˈhælədʒən, ˈheɪ -, - loʊ -, - ˌdʒɛn [1][2][3]) are a group in the periodic table consisting of six chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and the radioactive elements astatine (At) and tennessine (Ts), though some authors [4] would exclude tennessine as its chemistry is unknown and i
Halogen | Elements, Examples, Properties, Uses, Facts . . .
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
Halogen Elements - List and Facts - Science Notes and Projects
Learn about the halogen elements See where they are on the periodic table Get the list of halogens and learn about their properties
Group 17: General Properties of Halogens - Chemistry LibreTexts
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)
List of Halogens (Element Groups) - ThoughtCo
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
Halogens - Chemistry Encyclopedia - uses, elements, gas . . .
The halogens are the family of chemical elements that includes fluorine (atomic symbol F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At) The halogens make up Group VIIA of the Periodic Table of the elements Elemental halogens are diatomic molecules
Halogen Properties - BYJUS
Halogen atoms are mostly lipophilic and less water-soluble Thus, it has been used in drug components to provide improved penetration through lipid membranes and tissues However, halogenated drugs can pile up in adipose tissue

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