Atomic Weights and Isotopic Compositions for Yttrium
 Isotope   Relative
Atomic Mass 		    Isotopic
  Composition  		 Standard
Atomic Weight 		  Notes 
 
39 Y 89   88.905 8403(24)   1    88.905 84(2)  

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