Yes. The ammonium ion has a formula of NH4+ and has a positive charge so it is a cation.
What does Asa mean? Asa [asa] as a boys' name (also used less generally as girls' name Asa) is pronounced AY-sah. It is of Hebrew origin, and the meaning of Asa is doctor, healer. Biblical: name of the third king of Judah, who reigned for forty years. Made popular by the Puritans in the 17th century.
ASA was a wholly owned subsidiary of Delta Air Lines under the Delta Connection, Inc., holding company from May 11, 1999, to September 7, 2005, when it was purchased by SkyWest, Inc, the parent company of SkyWest Airlines.