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 is a telephone area code in eastern upstate New York, established as one of the original area codes in 1947.t has 493 landline and 100 wireless exchanges serviced by 47 carriers. It is the largest area code in size in New York, extending from the eastern Mohawk Valley to the Vermont border, and from the Canadian border to south of Albany.
Area code 718 is a New York City area code covering the Bronx, Queens, Brooklyn, and Staten Island, as well as part of Manhattan. Area code 718 overlays the area codes of 347, 929, as well as part of 917. New York has area codes of 212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929.he following map shows the coverage of 718 area code. The coverage area is shown in green. Area code map of the entire U.S. The USA.com website and domain are privately owned and are not operated by or affiliated with any government or municipal authority.