Atomic Weights and Isotopic Compositions for Neon
 Isotope   Relative
Atomic Mass 		    Isotopic
  Composition  		 Standard
Atomic Weight 		  Notes 
 
10 Ne 20   19.992 440 1762(17)   0.9048(3)    20.1797(6) g,m
21   20.993 846 685(41)   0.0027(1)
22   21.991 385 114(18)   0.0925(3)

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