Roentgenium Element Cube - 2" Acrylic Display - Atomic Number 111

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Roentgenium's atomic number is 111 and its symbol is Rg. It is an extremely radioactive synthetic element that can be created in a laboratory but is not found in nature. The most s table known isotope, roentgenium-282, has a half-life of 100 seconds. It is named after the physicist Wilhelm Röntgen (also spelled Roentgen), who also discovered X-rays. Only a few roentgenium atoms have ever been synthesized, and they contain no current practical application beyond that of scientific study. This display is contained within crystal clear Lucite acrylic. Please note that this item might be classified as hazardous material in certain countries. We suggest checking local guidelines to ensure compliance before placing your order. Show more