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 347 serves two area codes as an overlay-code 718 and code 917. The Code 347 was created on 1st October, 1999 and is serving New York City regions.t was added as an overlay to area 718 and 917. Code 718 or 917 maintained their number after addition of overlay 347 whereas the new numbers in the area from that point on were registered with the 347 area code.