The ammonium ion has a formula of NH4+ and has a positive charge so it is a cation.
Arnold /ar-nold/ [2 sylls.] as a boys' name is pronounced AR-nold. It is of Old French and Old German origin, and the meaning of Arnold is eagle ruler.From the phrase arn wald. Brought to Britain with the Norman invasion, lost popularity after the 13th century, and briefly revived in the late 19th century.rnold /ar-nold/ [2 sylls.] as a boys' name is pronounced AR-nold. It is of Old French and Old German origin, and the meaning of Arnold is eagle ruler.
This article is about the surname Meyers. For other uses, see Meyers (disambiguation) . Meyers is a surname of English origin, many branches of the Meyers family trace their origins to Anglo-Saxon England. The name is derived from the Old English name maire, meaning Mayor, or an officer in charge of legal matters.The English surname may also mean physician (from mire, Old French, or marsh (from myrr, Old Norse }.he name is derived from the Old English name maire, meaning Mayor, or an officer in charge of legal matters. The English surname may also mean physician (from mire, Old French, or marsh (from myrr, Old Norse }.