1.

What could be the diameters of the molecules of matter?

A. \[{{10}^{-7}}m\]        
B.        \[{{10}^{-11}}m\]
C. \[{{10}^{-9}}m\]          
D.        \[{{10}^{-15}}m\]
Answer» D.        \[{{10}^{-15}}m\]


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