Chemical Periodic Table Chart- 18"x 24" Laminated Poster - Chemistry Quick Reference Guide -Permacharts This 18" x 24" laminated chemical periodic table of elements quick reference guide wall poster is an invaluable tool for anyone involved in the scientific field. This chemical periodic table quick reference guide poster is an invaluable tool for anyone involved in the scientific field, and it can hang on the wall or on your door. Contains key data on all the elements, conversion factors, physical constants, and chemical structures. Conforms to the current IUPAC (International Union of Pure and Applied Chemistry) General Assembly Report. Contains current names for elements 104-112 Color-coded for easy recognition of groups.