Atomic mass of elements from 1 to 20
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Chemistry : List of Periodic Table Elements Sorted by: Atomic number
No.Atomic WeightElectron configuration1735.453[Ne] 3s2 3p51839.948[Ne] 3s2 3p61939.098[Ar] 4s12040.078[Ar] 4s2
No.Atomic WeightElectron configuration1735.453[Ne] 3s2 3p51839.948[Ne] 3s2 3p61939.098[Ar] 4s12040.078[Ar] 4s2
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