luvlustfortoes: abbydothchortle: “In 1969, the Commission recommended the standard atomic weight of Pd to be Ar(Pd) = 106.4(1) which gave palladium the least precisely tabulated atomic weight at that time. A decade later, using new mass-spectrometric

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luvlustfortoes: abbydothchortle: “In 1969, the Commission recommended the standard atomic weight of Pd to be Ar(Pd) = 106.4(1) which gave palladium the least precisely tabulated atomic weight at that time. A decade later, using new mass-spectrometric

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