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Multiple Choice
What is a result of the unequal electron sharing in a water molecule?
A
The molecule has a dipole moment.
B
The molecule has a bent shape.
C
The molecule becomes nonpolar.
D
The molecule forms ionic bonds.
Verified step by step guidance
1
Understand that water (H₂O) is a polar molecule due to its molecular geometry and the electronegativity difference between hydrogen and oxygen.
Recognize that oxygen is more electronegative than hydrogen, which causes the electrons to be shared unequally, resulting in a partial negative charge on the oxygen atom and a partial positive charge on the hydrogen atoms.
Identify that this unequal sharing of electrons leads to a dipole moment, where the molecule has a positive end and a negative end.
Recall that the shape of the water molecule is bent (or V-shaped) due to the two lone pairs of electrons on the oxygen atom, which also contributes to its polarity.
Conclude that the unequal sharing of electrons in water does not result in the molecule becoming nonpolar or forming ionic bonds, as these are characteristics of different types of chemical interactions.