1.

      What is the weight of one atom of Hydrogen in grams?  [NDA]

A. \[6.023\text{ }\times \text{1}{{\text{0}}^{-23}}\]        
B.        \[1.66\text{ }\times \text{1}{{\text{0}}^{-24}}\]
C. \[6.62\text{ }\times \text{1}{{\text{0}}^{-24}}\]          
D.        None of these 
Answer» C. \[6.62\text{ }\times \text{1}{{\text{0}}^{-24}}\]          


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