Ununoctium [Uuo] (CAS-ID: 54144-19-3) locate me
An: 118 N: 175 Am: unknown
Group No: 18  Group Name: Noble Gases
Block: p-block  Period: 7
State: presumably a gas at 298 K
Colour: unknown, but probably a colourless gas Classification: Non-metallic
Boiling Point: unknown (?)
Melting Point: unknown (?)
Density: unknown
Availability: This item is purely synthetic and is not available commercially.
Shell Structure diagram | Atomic Radius diagram
Discovery Information
Who: n/a
When: n/a
Where: n/a
Name Origin
From the latin for "one one eight".
Sources
None.
Uses
None.
Notes
A team of Berkeley Lab scientists that announced in 1999 the observation of what appeared to be Element 118, the heaviest undiscovered transuranic element at the time, have retracted its original paper after several confirmation experiments failed to reproduce the results.