檢視铵的原始碼

{{noteTA|G1=C}}
{{Chembox
| ImageFile1 = Ammonium-2D.svg
| ImageSize1 =170px
| ImageAlt1 = 2-D skeletal version of the ammonium ion
| ImageFileL1 = Ammonium-3D-balls.png
| ImageAltL1 = [[Ball-and-stick model]] of the ammonium cation
| ImageFileR1 = Ammonium-3D-vdW.png
| ImageAltR1 = Space-filling model of the ammonium cation
| SystematicName = Ammonium
| IUPACName =
| OtherNames =
|Section1={{Chembox Identifiers
| CASNo = 14798-03-9
| CASNo_Ref = {{cascite|correct|CAS}}
|  PubChem  =  16741146
|  ChemSpiderID  =  218
|  SMILES  =  [NH4+]
|  InChI  =  1/H3N/h1H3/p+1
|  InChIKey  =  QGZKDVFQNNGYKY-IKLDFBCSAZ
|  StdInChI  =  1S/H3N/h1H3/p+1
|  StdInChIKey  =  QGZKDVFQNNGYKY-UHFFFAOYSA-O
|  RTECS  =  
|  MeSHName  =  D000644
|  ChEBI  =  CHEBI:28938
}}
|Section2={{Chembox Properties
| Formula = {{chem|N|H|4|+}}
| N=1 | H=4
| Appearance =
| Solubility = 
| pKa = 9.25
}}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt = }}
|Section4={{Chembox Structure
| MolShape = 正四面体
}}
}}
[[File:Bildung Ammonium.svg|thumb|銨根離子的生成]]
'''铵'''（拼音：{{pinyin|ǎn}}，{{Lang-en|Ammonium}}，舊譯作'''錏'''，[[化学式]]NH<sub>4</sub><sup>+</sup>），又叫'''铵离子'''、'''铵根'''、'''铵根离子'''，是由[[氨]]分子衍生出的正一[[化合价|价]]、带1个正电的[[离子]]。氨分子与一个[[氢離子]][[配位]]结合就形成铵根离子（氨提供[[孤電子對]]）。铵离子在化学反应中相当于金属离子。