the groups of electrons around carbon atom b in propene is bonding.
They are not nonbinding because bond formation involves all four valence e. They are bonding because they have all formed a bond. Because this C is sp2 hybridised, the electron geometry of the carbon atom B in propene is trigonal planar. Because propene's overall geometry is trigonal planar, the C-C-C bond angle is 120°. Nonbonding electrons are assigned to the atom they are located on. Non-bonding electron pairs are those on an individual atom that are not shared with another atom.Bonding electrons are distributed equally among the bonded atoms. Bonding electron pairs are electrons that are shared by the central atom and any atom to which it is bonded.
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