英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

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

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • 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
  • Halogen Group Nigeria - Wikipedia
    Halogen Group Nigeria formally known as Halogen Security Company is the first indigenous private security company in Nigeria founded by Biodun Shobanjo in July 1992
  • Halogen Group | Lagos - Facebook
    Halogen Group gave a keynote address, highlighting that effective peace building requires structured frameworks, shared responsibility, and a shift from reactive responses to preventive strategies Stating that security is not the sole preserve of government agencies; it is a collective national obligation We remain committed to fostering
  • 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 Learner
    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
  • Halogen Security
    Halogen Group blends innovation with vigilance to protect your people, your property, your peace of mind Our advanced security intelligence empowers organizations, governments, and individuals to thrive in an unpredictable world Halogen stands at the intersection of intuition and technology
  • Halogen Group | LinkedIn
    Halogen provides digital-enabled security solutions that enables you achieve your goals in an anxiety-free world Halogen Group formerly known as Halogen Security Company Limited is the
  • Halogen Elements and Properties - ThoughtCo
    Halogens are unique because they can exist as solids, liquids, and gases at room temperature Halogens have seven valence electrons and very high electronegativities, making them very reactive Because halogens are so reactive, they are useful in making disinfectants and preventing tooth decay





中文字典-英文字典  2005-2009