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.
Split and merge into it. Answer by Saintcloud. Confidence votes 783. Armin is the modern German form of the Latin name Arminius, which is derived from the element ermen, meaning whole, universal. It's commonly mistakenly to be a version of Hermann, which is a Germanic name, meaning army man..