Sudalai Kumar S’s favorite structure is:

Water-Ice

Water-Ice

Source: University of Hyderabad

Why?

Perfect tetrahedral arrangements of water molecules through hydrogen bonding in the crystal lattice makes the the ice less denser than the liquid water. This is one of the peculiar behaviour of water in the solid state. The photo shown here is taken from University of Hyderabad during the hail storm in 4th March 2014. Photo Courtesy: HCU Students.—Sudalai Kumar S

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