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| Uuq-289 has a half-life of just over 30 seconds.  Like all the transfermium elements, produced in invisible quantities by colliding nuclei in a cyclotron.
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Radiation symbol.   
This unavailable element is represented by a radiation hazard symbol.  If we had a visible quantity on display here, you would be dead. 
Source: n/a 
Size: n/a 
Purity: n/a
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