Periodic table elements - iu northwest, (a) g/cm3 (b) kj/mol (c) atomic weight in ( ) = mass number of most stable isotope (d) half life of. Http://www.visual-literacy.org/periodic_table/periodic_table.html, . Periodic table elements: los alamos national laboratory, The chemistry division's periodic table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element..

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