What allows water to be a polar molecule?
a. Hydrogen bonds
b. Adhesion
c. Surface tension
d. The angular shape of the molecule
ANS: D
The positioning of oxygen's electrons causes the water molecule to form an angular shape once the
covalent bonds are created. This creates a slight positive charge at one end of the molecule and a slight
negative charge at the other end. This allows attraction to other partially charged atoms to occur.
Information can be found in the section The Water Molecule Is Held Together by Chemical Bonds.
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