1.

The modern basis of atomic weight is [MP PET 1989; CPMT 1993]

A.      Isotope \[{{H}^{1}}=1.000\]        
B.      Oxygen = 16.000
C.      Isotope \[{{O}^{16}}=16.000\]   
D.      Isotope \[{{C}^{12}}=12.000\]
Answer» E.


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