Periodic table (detailed)
Appearance
*** This atomic weight is only an estimate.
References
Atomic weights are taken from International Union of Pure and Applied Chemistry (2006). "Atomic Weights of the Elements 2005" (PDF). Pure Appl. Chem. 78 (11): 2051–66. doi:10.1351/pac200678112051., modified to included the announced changes in the values for lutetium, molybdenum, nickel, ytterbium and zinc.