Recent CIAAW News
• Atomic weights of 5 elements have changed. The standard atomic weights of magnesium and bromine are now expressed as intervals, which reflects the common occurrence of variations in the atomic weights of these elements in normal terrestrial materials. In addition, the standard atomic weights of germanium, indium, and mercury have changed. These new values are found in the Table of Standard Atomic Weights 2011, which also includes Tables abridged to four figures and five figures.
• The new IUPAC Periodic Table of the Isotopes
has been updated with the new names and symbols of elements 114 and 116, flerovium (symbol Fl) and livermorium (symbol Lv).