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 Date: 2014-03-12 19:26:59Actinide Berkelium Transition metal Chemical element Lanthanide Periodic table Chemistry Matter |
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| First Page | Document Content | |
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Date: 2014-03-12 19:26:59Actinide Berkelium Transition metal Chemical element Lanthanide Periodic table Chemistry Matter |
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Periodic Table of the Elements 1A http://chemistry.about.com 8A