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：

ammonium    音标拼音: [əm'oniəm]

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:


  • Ammonium - Wikipedia
    Ammonium is a modified form of ammonia that has an extra hydrogen atom It is a positively charged (cationic) molecular ion with the chemical formula NH+ 4 or [NH4]+ It is formed by the addition of a proton (a hydrogen nucleus) to ammonia (NH3) Ammonium is also a general name for positively charged (protonated) substituted amines and quaternary ammonium cations ([NR4]+), where one or more
  • Ammonia - Wikipedia
    Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3 A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell [13] It is widely used in fertilizers, refrigerants, explosives, cleaning agents, and is a precursor for numerous chemicals [13] Renewable ammonia is considered as an important
  • Ammonium | H4N+ | CID 223 - PubChem
    Ammonium | H4N+ | CID 223 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • AMMONIUM Definition Meaning - Merriam-Webster
    The meaning of AMMONIUM is an ion NH4+ derived from ammonia by combination with a hydrogen ion and known in compounds (such as salts) that resemble in properties the compounds of the alkali metals
  • Ammonium (NH4+): Definition, Formula, Structure, and Compounds
    What is an ammonium ion Learn its symbol, charge, preparation, and reactions Explore a few examples of ammonium compounds along with their uses
  • What Is NH4? The Chemistry and Uses of Ammonium
    NH4: Learn the chemistry, structure, and formation of ammonium, a vital ion essential for the Nitrogen Cycle and modern industry
  • What Is Ammonium? Its Chemistry, Role, and Toxicity
    Understand the chemistry of ammonium, its essential role in the global ecosystem, and the biological pathways that manage its toxicity
  • What is nh4 in chemistry? - California Learning Resource Network
    The ammonium ion, represented chemically as NH₄⁺, is a ubiquitous and fundamentally important polyatomic cation in chemistry and biology This article provides a detailed overview of the ammonium ion, exploring its structure, bonding, properties, reactivity, and its significance across various scientific disciplines We will also delve into its practical implications and technological
  • What is the Difference Between Ammonia and Ammonium?
    The nitrogen atom of ammonium does not have a lone pair, so ammonium’s chemical properties are significantly different from ammonia’s chemical properties Therefore it important to understand the difference between ammonia and ammonium, and between NH 3 and NH 4+ Finally, the formula NH 4 is often quoted confused students
  • Characteristic Reactions of Ammonium Ion (NH₄⁺)
    Ammonium ion is formed by the reaction between acids and aqueous ammonia: The ammonium ion behaves chemically like the ions of the alkali metals, particularly potassium ion, which is almost the same …





中文字典-英文字典  2005-2009