For 10 points, name this number of valence electrons that most main-group elements desire, according to the octet rule.
The hypho type of boranes with a zero net charge have this many more hydrogens than borons. For an anti-aromatic molecule, this is the second smallest number of pi electrons possible in the conjugated system. The most common form of sulfur in nature has this number of atoms in the shape of a ring. This number of hydrogens is found in each molecule of butene and propane. The element with this atomic number has an allotrope called ozone. For 10 points, name this number of valence electrons that most main-group elements desire, according to the octet rule.
The hypho type of boranes with a zero net charge have this many more hydrogens than borons.
eight