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  1. Ammonium - Wikipedia

    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 …

  2. 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.

  3. 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 …

  4. Ammonium Definition - Intro to Chemistry Key Term | Fiveable

    Ammonium is a positively charged ion with the chemical formula NH4+. It is a key component in various chemical processes, including the formation of buffers, which help maintain a stable pH in biological …

  5. Ammonium ion | chemical ion | Britannica

    The ammonium ions are usually converted to nitrite ions (NO 2−) by Nitrosomonas bacteria, followed by a second conversion to nitrate (NO 3−) by Nitrobacter bacteria.

  6. AMMONIUM | definition in the Cambridge English Dictionary

    AMMONIUM meaning: 1. a type of ion that is derived from ammonia and is contained in chemical compounds of it: 2. a…. Learn more.

  7. Ammonium - wikidoc

    Ammonium ions are a toxic waste product of the metabolism in animals. In humans, it is converted in the urea cycle to urea, because it wastes less water to excrete.

  8. ammonium noun - Definition, pictures, pronunciation and usage notes ...

    Definition of ammonium noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  9. Ammonium - definition of ammonium by The Free Dictionary

    Define ammonium. ammonium synonyms, ammonium pronunciation, ammonium translation, English dictionary definition of ammonium. n. The univalent chemical ion NH4+, derived from ammonia, …

  10. Ammonium | Formula, Symbol & Structure - Lesson | Study.com

    Ammonia is a neutral species that comprises a nitrogen atom attached to three hydrogen atoms while ammonium is a positively charged species that consists of a nitrogen atom attached to four ...