For Bucky ball or Buck minister fullerene, which option is incorrect :

Buck minister fullerene also called as bulky ball or C₆₀. It looks like a football or a soccer ball. It is called C₆₀ because it has 60 carbon atoms arranged in hexagonal and pentagonal configurations. There are 12 pentagons and 20 hexagons.  All carbon atoms in fullerene is sp² hybridized, and the number of sigma and double bonds are 60 and 30 respectively.