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.
Schwarzenegger was born in Thal, Styria, and christened Arnold Alois. His parents were Gustav Schwarzenegger (August 17, 1907 â December 13, 1972) and Aurelia Schwarzenegger (nÃ©e Jadrny; July 29, 1922 â August 2, 1998).