Facts About Actinium and Nihonium
Interesting Facts
Actinium glows in the dark due to its radioactivity.
Nihonium is a synthetic chemical element and is highly radioactive.
Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Synthetically Produced
Who Discovered
Friedrich Oskar Giesel
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Discovery
In 1902
In 2003
Abundance In Meteorites
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Abundance In Earth's Crust
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