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halogen    音标拼音: [h'ælədʒən]
n. 卤素

卤素

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

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  • Halogen - Wikipedia
    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 that are much smaller than non-halogen incandescent lightbulbs at the same wattage
  • Halogen | Elements, Examples, Properties, Uses, Facts | Britannica
    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
    Learn about the halogen elements See where they are on the periodic table Get the list of halogens and learn about their properties
  • 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
  • Pool and Spa Supplies Equipment | Halogen Supply Company
    Halogen Supply Company is a national distributor of pool and spa supplies, parts, and accessories for residential and commercial applications
  • HALOGEN Definition Meaning - Merriam-Webster
    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 diatomic molecules
  • 4. 6: Halogens and Halides - Chemistry LibreTexts
    The origin of halogen is the Greek word meaning the production of salt by direct reaction with a metal Since their reactivity is very high, halogens are found in nature only as compounds
  • Physical properties of the halogens - Group 7 - BBC
    Learn about and revise the halogens in group 7 of the periodic table with this BBC Bitesize GCSE Combined Science (Edexcel) study guide
  • Halogen — Inspiring Young People to Create Change
    Through our work, Halogen seeks to empower future-ready young individuals with the right character, mindsets, and skill sets to realise a better world for us all Our end-to-end approach allows us to effect deep change in communities
  • Halogen Capital | Digital Asset Fund Management
    Malaysia's pioneering fund manager that specialises in both digital (crypto) and traditional asset investment management





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