Chapter 11 Chemical Bonds: The Formation of Compounds from ...

formation of chlorine molecule (Cl 2 ) involves
overlapping of unpaired 3p electron orbitals
from two Cl atoms
other examples
. . . . . . . . . . . .
:F : F: : I : I : :O :: O: :N ::: N:
·· ·· ·· ··
fluorine iodine oxygen nitrogen
using a dash — replace the pair of dots
. . . . . . . . . . . .
:F—F: : I—I : :O = O: :N≣N:
·· ·· ·· ··
ionic bond and covalent bond represent two
extremes
between two extremes
polar covalent bond – unequal sharing of
electrons between two atoms
. .
ex. H:Cl: :C:::O:
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