The Wooden Periodic Table Tablehttps://theodoregray.com/PeriodicTable/
, Praseodymium , Promethium , Protactinium , Radium , Radon , Rhenium , Rhodium , Roentgenium , Rubidium , Ruthenium , Rutherfordium , Samarium , Scandium , Seaborgium , Selenium
The Wooden Periodic Table Table by Theodore Gray
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