ammonium

As a letter s

is the letter s with a.

As a noun ammonium is

ammonium.

As nouns the difference between ammonium and null

is that ammonium is ammonium while null is zero, nil; the cardinal number before einn.

As nouns the difference between urea and ammonium

is that urea is a water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine while ammonium is the univalent NH₄⁺ cation, derived by the protonation of ammonia.

As nouns the difference between ammonium and amine

is that ammonium is ammonium while amine is .

As nouns the difference between amide and ammonium

is that amide is while ammonium is ammonium.

As nouns the difference between iodine and ammonium

is that iodine is a chemical element (symbol: I) with an atomic number of 53; one of the halogens while ammonium is the univalent NH₄⁺ cation, derived by the protonation of ammonia.

As a verb iodine

is to treat with iodine.

As nouns the difference between ammonium and chlorine

is that ammonium is ammonium while chlorine is a toxic, green, gaseous chemical element (symbol cl) with an atomic number of 17.

As nouns the difference between ammonium and melam

is that ammonium is the univalent NH₄⁺ cation, derived by the protonation of ammonia while melam is a condensation product of melamine, originally found in the residue of heating ammonium thiocyanate.

As nouns the difference between ammonium and mercurammonium

is that ammonium is ammonium while mercurammonium is (chemistry) a radical regarded as derived from ammonium by the substitution of mercury for a portion of the hydrogen.

As nouns the difference between ammonium and struvite

is that ammonium is ammonium while struvite is (mineral) an orthorhombic ammonium magnesium phosphate mineral.