Atomic Weights and Isotopic Compositions for Dubnium
 Isotope   Relative
Atomic Mass 		    Isotopic
  Composition  		 Standard
Atomic Weight 		  Notes 
 
105 Db 268 268.125 67(57#)   

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory NIST Physical Measurement LaboratoryAtomic Weights and Isotopic Compositions Main Page