The modern atomic weight scale is based on P W (A) \( \mathrm{C}^{1...

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The modern atomic weight scale is based on
P
W
(A) \( \mathrm{C}^{12} \)
(B) \( \mathrm{O}^{16} \)
(C) \( \mathrm{H}^{1} \)
(D) \( \mathrm{C}^{13} \)
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