Revision history of "Atomic weight"

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  • (cur | prev) 11:30, 9 January 2022Mabus (Talk | contribs). . (953 bytes) (+953). . (Created page with " {{Stub}} The '''atomic weight''' or '''standard atomic weight''' (''A''<sub>r, standard</sub>(E)) of a chemical element is the weighted arithmetic mean of the relative isotop...")