Each multipack contains 40 silk-finished bookmarks showing the long form of the periodic table and atomic weights. One side shows the extended form of the periodic table and shows the element atomic number and symbol. The element symbol is displayed as black, blue, or red according to whether the element is solid, liquid, or gaseous. The second side shows a table of the 5-figure current atomic weights for all the known elements. These are printed on a heavyweight (400 gsm) artboard and finished in silk. Size approximately 6.8 x 2.2 inches (173 x 55 mm) and shipped by mail or air-mail. These are ideal for class use or simply to pass around your friends. Never be without these basic chemical data!
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