The Key Tile

This tile identifies the data on the other tiles.  In case it's not obvious, here's a key to the key:

Sym
 Atomic Symbol
AN
 Atomic Number
Name
 Name (American spellings)
AW
 Atomic Weight
G/CC
 Density in grams per cubic centimeter (I don't have small lowercase letters....)
Elements that are gases have their density in grams per liter, which is marked on the individual tile.
MP C
 Melting point in degrees Centigrade
BP C
 Boiling point in degrees Centigrade


Key Tile