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.
Arnold Friend, with his suggestive name that hints at âArch Fiend,â is an ambiguous figure who may be either demon or human, fantasy or reality. Arnold makes a grand entrance at Connieâs house in his gold convertible, but beyond his ostentatious car, his appearance is less than impressive.e is an older, highly sexualized man who offers to take her away from her life as an unhappy teenager. He is incredibly different from Connieâs family and the other boys she knows, which intrigues her. However, any appealing mystery to Arnold quickly dissipates as he begins to make threats and demands.