The oxides contains more oxygen atoms as compare to central atoms
and according to valency requirements of central atoms number of oxygen atoms
are not sufficient.
For examples B2O3, C3O2,
C12O9, Pb3O, Rb9O2, Cs11O3
etc.
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STRUCTURE OF FULLERENCES :
(1) A fascinating discovery was the synthesis of spherical carbon-cage molecules called fullerences. The discovery of fullerene was awarde...
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