To decide if a binary compound has ionic or covalent bonding, first locate the two elements concerned in the Periodic Table and decide if they are metals (shown in blue) or non-metals (shown in pink).o decide if a binary compound has ionic or covalent bonding, first locate the two elements concerned in the Periodic Table and decide if they are metals (shown in blue) or non-metals (shown in pink).
Area code 518 covers eastern upstate New York, including the capital city of Albany. By size, it is the largest area code in New York state, extending from the eastern Mohawk Valley to east of Albany, and from the Canadian border to the upper Hudson Valley.18 Area Code 518. At AreaCode.org, you'll find helpful information on the 518 area code, including 518 area code location. Other phone area codes may be found using AreaCode.org's area code locator. Use the search function for area code look up. Buy your own toll free phone numbers with instant call records.
Area code 541 and overlay area code 458 serve Oregon, USA, excluding the northwestern corner. 541 & 458 includes: Bend, Corvallis, Eugene, Klamath Falls, Medford, Ontario, P â¦ endleton, The Dalles 503 & 971 includes: Portland, Salem, Astoria, Lincoln City, Tillamook.78 is one of the codes used in Atlanta, Georgia.   678 is a telephone area code assigned to metropolitan Atlanta,  Georgia and its suburbs and exurbs. This area code was â¦ first  assigned to customers signing up for new telephone service on  January 15, 1998.