1.

            The atomic weights are expressed in terms of atomic mass unit. Which one of the following is used as a standard?      [NDA]

A. \[^{\text{1}}{{\text{H}}_{\text{1}}}\]     
B.         \[^{\text{12}}{{C}_{6}}\]
C. \[^{\text{16}}{{O}_{8}}\]      
D.         \[^{35}C{{I}_{17}}\]
Answer» C. \[^{\text{16}}{{O}_{8}}\]      


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