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.
Overview (2) Arnold Palmer was born on September 10, 1929 in Youngstown, Pennsylvania, USA as Arnold Daniel Palmer. He is an actor, known for Back Nine at Cherry Hills: The Legends of the 1960 U.S. Open (2008), Sports Illustrated's 20th Century Sports Awards (1999) and Call Me Bwana (1963).