Unit 2 Application of Core Principles of Chemistry - 2.4 - Intermediate bonding and bond polarity
Students will be assessed on their ability to:
a) explain the meaning of the term electronegativity as applied to atoms in a covalent bond.
b) recall that ionic and covalent bonding are the extremes of a continuum of bonding type and explain this in terms of electronegativity differences leading to bond polarity in bonds and molecules, and to ionic bonding if the electronegativity is large enough.
c) distinguish between polar bonds and polar molecules and be able to predict whether or not a given molecule is likely to be polar.
d) carry out experiments to determine the effect of an electrostatic force on jets of liquids and use the results to determine whether the molecules are polar or non-polar.
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