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.
Basic info. Area code 678 is an overlay NPA and was introduced on January 6, 1998 as a result of a high demand for new telephone numbers in the Atlanta area. The code overlays both 404 and 770 NPAs. This new code's introduction also resulted in the change from 7 to 10 digit local dialing in these areas.rea code 678. The 678 area code belongs to the state of Georgia (GA) and some of the locations covered are Atlanta, Marietta and more: