Facts About Roentgenium and Nihonium
Interesting Facts
Roentgenium is a highly unstable synthetic element.
Nihonium is a synthetic chemical element and is highly radioactive.
Sources
Synthetically Produced
Synthetically Produced
Who Discovered
Gesellschaft für Schwerionenforschung
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Discovery
In 1994
In 2003
Abundance In Meteorites
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Abundance In Earth's Crust
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