Look up: Ammonium

1. 
   Ammonium
   Ammonium is the basic radical of ammonium salts. It is comprised of one atom of nitrogen and four atoms of hydrogen.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   ammonium
   [n] - the ion NH4 derived from ammonia
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   ammonium
   consisting of, or containing the monovalent group NH4- or the ion NH4+ Category: Chemistry • used in compound to fireproof clothing of foundry workers Category: Labour
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. 
   Ammonium
   Am·mo'ni·um noun [ See Ammonia .] (Chemistry) A compound radical, NH ₄ , having the chemical relations of a strongly basic element like the alkali metals.
   Found on http://www.encyclo.co.uk/webster/A/71
   
   
5. 
   ammonium
   <chemistry> A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals. ... See: Ammonia. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. 
   ammonium
   ammonium ion noun the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
7. 
   Ammonium
   The `ammonium` cation is a positively charged polyatomic cation of the chemical formula NH4+. It has a molecular mass of 18.04 and is formed by protonation of ammonia (NH3). The resulting ion has a p`K`a of 9.25. Ammonium and `aminium` are also general names for positively charged or protonated substituted amines and quaternary ammonium cations N+R4, where one or more hydrogen atoms are replaced by organic radical groups (which could be symboliz...
   Found on http://en.wikipedia.org/wiki/Ammonium
   
   
8. 
   ammonium
   (ә-mo´ne-әm) a hypothetical radical, NH4, forming salts analogous to those of the alkaline metals. ammonium carbonate a mixture of ammonium compounds used as a liquefying expectorant in the treatment of chronic bronchitis and similar lung disorders. It is sometimes us...
   Found on http://www.mercksource.com/pp/us/cns/cns
   
   
9. 
   Ammonium
   • (n.) A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. 
    Ammonium
    NH4 Molar mass: 18.03846
    Found on http://www.convertunits.com/molarmass/Am
    
    
11. 
    ammonium
    The ion, NH4+, formed by combination of NH3 and H+ (the pKa value is 9.24); behaves as a univalent metal in forming ammonium compounds.
    Found on http://www.stedmans.com/section.cfm/45
    
    
12. 
    Ammonium
    Chemical compound composed of nitrogen and hydrogen (NH₄). Component of the nitrogen cycle. Product of organic matter decomposition. Can be fixed to clay minerals and later exchanged.
    Found on http://www.physicalgeography.net/physgeo