Periodic Table of the Elements Placemat

   MADE IN THE USA  Key Selling Points: • 11” inches x 17” inches • Atomic Number & Atomic Mass• Chemical Symbol & Oxidation States• Double-sided Color Placemat• Easy to Clean, Durable and Reusable• BPA and PVC free, made of PET safe  Check the Details: All Atomic Weights and Atomic Mass Evaluation data has been validated by the latest technical report from the International Union of Pure and Applied Chemistry (IUPAC) and the Commission on Isotopic Abundances and Atomic Weights (CIAAW) with the most up to date Atomic Weights of the Elements. Download the 2013 IUPAC Technical Report  The period table of the elements is a chart of the building blocks of the universe. Elements are organized by their atomic number and separated according to properties of metals and non-metals. Metals are categorized as: actinoids, alkali, alkaline, lanthanoids, metalloids, transition metals and post transition metals. Non-metals are categorized as either noble gases or non-metals. The periodic t