Properties
Note:
† Estimated from currently available IUPAC data.
* The systematic names and symbols for elements greater than
109 will be used until the approval of trivial names by
IUPAC.
A team at Lawrence Berkeley National
reported the discovery of elements 116 and 118 in June 1999.
The same team retracted the discovery in July 2001. The
discovery of element 114 has been reported but not
confirmed.