Ammonium
cation / From Wikipedia, the free encyclopedia
Ammonium is an ion. It is an ammonia molecule, NH3, protonated (with a hydrogen ion added) to make NH4+. It bonds with negative ions such as chloride to make salts such as ammonium chloride. Ammonium is slightly reducing so it can react with strong oxidizing agents.
Quick Facts Names, Identifiers ...
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Names | |||
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IUPAC name
Ammonium ion | |||
Systematic IUPAC name
Azanium[1] | |||
Identifiers | |||
3D model (JSmol) |
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ChEBI | |||
ChemSpider | |||
MeSH | D000644 | ||
PubChem CID |
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UNII | |||
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SMILES
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Properties | |||
NH+ 4 | |||
Molar mass | 18.04 g·mol−1 | ||
Acidity (pKa) | 9.25 | ||
Conjugate base | Ammonia | ||
Structure | |||
Tetrahedral | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
Infobox references | |||
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