What is another word for ammonium ion?
Pronunciation: [amˈə͡ʊni͡əm ˈa͡ɪɒn] (IPA) 
Ammonium ion, also known as NH4+, is a positively charged ion that is often used in chemistry and biology. There are a few different synonyms for this term, depending on the context in which it is used. Some of the most common synonyms include ammonium, ammonium cation, and hydrated proton. Other similar terms might include ammonium hydroxide, ammonium sulfate, and ammonium chloride. Depending on the specific application, some of these terms may be more appropriate than others. Regardless of the synonym used, however, the basic characteristics of the ammonium ion remain the same, making it a useful and important concept in a variety of scientific fields.
