Column Descriptions

                                                                         
             Relative           Isotopic      Standard                   
Isotope      Atomic Mass        Composition   Atomic Weight    Notes     
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10  Ne  20   19.9924401762(17)  0.9048(3)     20.1797(6)       g,m
        21   20.993846685(41)   0.0027(1)   
        22   21.991385114(18)   0.0925(3)   
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