Periodic Table of the Elements Chart - Chemistry Science Quick Reference Guide by Permacharts Periodic table of element chart quick reference guide. Easy-to-read, color-coded format, this chart is an invaluable tool for anyone involved in the scientific field. The most important single tool for the science student and any science professional is set out in this detailed, comprehensive 4-page 8.5" x 11" laminated Guide. Contains key data on all the elements, conversion factors, physical constants, and chemical structures. Color-coded for easy recognition of groups. Coded symbols show Crystal Structures and Acid/Base Properties