113

Uut

Ununtrium
[ 284 ]
Historical Information

Experimental results reported in 2004 involving the bombardment of americium-243 with calcium-48 ions are consistent with the formation in the laboratory of a few atoms of elements 113 and 115.

Basic Information Shells
  • Name:Ununtrium
  • Symbol: Uut
  • Atomic number: 113
  • Atomic weight: [ 284 ]
  • Standard state: presumably solid at 298 K
  • Group in periodic table:13
  • Group name: none
  • Period in periodic table: 7
  • Block in periodic table: p-block
  • Classification: Metallic
Ununtrium
Uses Trivia
  • It has no uses.

All these four nuclei decayed through the emisson of alpha-particles to isotopes of element 113. The claim has not yet been ratified, but the results are now published in a reputable peer-reviewed journal.