A covalent bond is a chemical bond between two nonmetals (two metals cannot covalently bond) in which electrons are shared, while an ionic bond is a chemical bond between a me â¦ tal and a non metal due to the attraction between oppositely charged ions.Cl (Hydrogen Chloride) is a covalent compound and forms a covalent bond. However, if water is added to hydrogen chloride, it forms hydrochloric acid which is an ionic compoun â¦ d that has ionic bonds. 2 people found this useful.
Summary. Until 1997, Pennsylvania had four area codes â 814, 412, 717 and 215. With the increased use of cell phones and consumers purchasing additional lines in their homes, the demand for additional telephone lines exploded.17 region-The 717 area codes stretches from Lancaster to Harrisburg, to York and Fulton County. Western Pennsylvania. 412, 724 and 878 region-The 412 area code is primarily located in Pittsburgh and 724 covers the suburbs of Pittsburgh.
The 416 area code has been split twice. The western portion of 416 (including Kitchener) and the northern portion of 613 were assigned area code 519 in 1953. Despite the Greater Toronto Area 's rapid growth, this configuration remained for 40 years.rea codes 416, 647, and 437 are telephone area codes serving the single rate centre of Toronto, Ontario, Canada. The incumbent local exchange carrier in the 416/647/437 territory is Bell Canada.