Name: unununium
Symbol: Uuu
Atomic number: 111
Atomic weight: [ 272 ]
Group in periodic table: 11
Group name:
Period in periodic table: 7
Block in periodic table: d-block
CAS registry ID: 54386-24-2
Element 111 was discovered on 8th December 1994 at the GSI in Darmstadt, Germany.
Chemically, element 111 should be in the same group as the elements copper, silver, and gold (Group 11).