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.
Birth Place of Arnold Schwarzenegger. Arnold Schwarzenegger was born in a small village in Thal, Austria on July 30, 1947. His full name is Arnold Alois Schwarzenegger, and his parents were Gustav Schwarzenegger and Aurelia Jadmy. His father was a World War II veteran, and the police chief of their town.