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.
The origin of the name came from the British / English Empire. There was and still is the âMiddle Eastâ referring to âsomewhereâ along the way to the âEastâ and this term refers to Arab Countries in West Asia and in some references it includes Turkey, Iran, some countries in East Africa and may even stretch further.