Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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30  Zn  64   63.92914201(71)    0.4917(75)    65.38(2)         r
        66   65.92603381(94)    0.2773(98)  
        67   66.92712775(96)    0.0404(16)  
        68   67.92484455(98)    0.1845(63)  
        70   69.9253192(21)     0.0061(10)  
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