Recall: Electronegativity is the tendency of an atom to attract a pair of electrons
Nonpolar bonds: found on two atoms with the same electronegativity
Polar bonds: found on two atoms with different electronegativity
Why is water considered a polar molecule?
a) The negatively charged oxygen atom attracts the positively charged hydrogen atoms.
b) The oxygen is found between the two hydrogens.
c) It remains liquid even at very low temperatures.
d) Both hydrogens are at one end of the molecule, and oxygen is at the other end.
e) Its electrons spend more time with its oxygen than with either hydrogen.
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