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ammonium ion

British  

noun

  1. the ion NH 4 + , formed from ammonia and present in aqueous solutions of ammonia and in many salts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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The acid-base reaction with the weakly acidic ammonium ion gives ammonia, illustrated in Figure 18.29.

From Textbooks Feb. 14, 2019

Hot ammonia and the ammonium ion are active reducing agents.

From Textbooks Feb. 14, 2019

What is the hybridization of the nitrogen atom in trimethyl amine and in the trimethyl ammonium ion?

From Textbooks Feb. 14, 2019

Nitrogen-fixing soil bacteria produce ammonium ion, or NH4+.

From Textbooks Jan. 1, 2015

In these reactions, an amine group, or ammonium ion, from the amino acid is exchanged with a keto group on another molecule.

From Textbooks Jun. 19, 2013

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