Unununium - Uuu
111
Unununium -
Uuu, Element 111, is a synthetic element that is not present
in the environment at all, found in
Group IIb of the
periodic table. For further information click here.
To see the press release about Element 111 click here
- Atomic Number : 111
- Relative Atomic Mass : 272
- Melting Point : N/A
- Boiling Point : N/A
- Relative Density : N/A
- Electron
Configuration : [Rn] 5f14 6d10 7s1
Discovery
1994 at the GSI in
Darmstadt, Germany.
Occurrence
Only a few atoms of element 111 have ever been made through a nuclear
reaction involving fusion of an isotope of bismuth, 209Bi,
with one of nickel, 64Ni.
209Bi + 64Ni 
272Uuu + 1n
Isolation of an observable quantity has never been achieved, and may
well never be.
Properties
Chemically, element 111 should be in the same group as the elements copper,
silver, and gold (Group Ib).
Uses
No known uses.