There's a definition on polyatomic ions and I do not know what is means by net positive or a negative charge. Definition: Groups of atoms bonded to one another which have a net positive or a negative charge called polyatomic ions. 1  print Print. 2  document PDF. 3  list Cite.
Kentwood, MI is served by area code 616. In addition to Kentwood, MI area code information read more about area code 616 details and Michigan area codes. Kentwood, MI is located in Kent County and observes the Eastern Time Zone. View our Times by Area Code tool.
Zip Code 49938 is located in the state of Michigan in the Duluth - Superior metro area. Zip code 49938 is primarily located in Gogebic County. The official US Postal Service name for 49938 is IRONWOOD, Michigan. Portions of zip code 49938 are contained within or border the city limits of Ironwood, MI, Hurley, WI, . The area code for zip code 49938 is 906.