ammonium

(ə mōnē əm)

noun

the monovalent radical NH, present in salts produced by the reaction of ammonia with an acid: its compounds are like those of the alkali metals

Origin: ModL, coined by Baron Jöns Jakob Berzelius < ammonia + -ium

See ammonium in American Heritage Dictionary 4

noun
The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.

Origin:

Origin: ammon(ia)

Origin: + -ium

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