Atomic Weights and Isotopic Compositions for Tellurium
 Isotope   Relative
Atomic Mass
 
   Isotopic
  Composition  
Standard
Atomic Weight
 
 Notes 
 
52 Te 120 119.904 0593(33)   0.0009(1)  127.60(3) g
122 121.903 0435(16)   0.0255(12)
123 122.904 2698(16)   0.0089(3)
124 123.902 8171(16)   0.0474(14)
125 124.904 4299(16)   0.0707(15)
126 125.903 3109(16)   0.1884(25)
128 127.904 461 28(93)   0.3174(8)
130 129.906 222 748(12)   0.3408(62)

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