Roentgenium: Difference between revisions
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imported>David Yamakuchi m (New page: {{subpages}}{{Basic elemental info}}<references/>) |
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Revision as of 20:05, 10 May 2010
Roentgenium is a synthetic chemical element, having the chemical symbol Rg.
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Its atomic number (the number of protons) is 111. It has a Standard Atomic Weight of 280 , and is typically found as a solid in its elemental form.