BiologyCell Biology

Mastering Biology Chapter 3 Answer Key: Which Statement Does Not Explain Water’s Hydrogen Bonds?

“Water is an electronegative molecule” is the exception. Oxygen is the electronegative atom; unequal O–H electron sharing makes the water molecule polar and enables hydrogen bonding.

Question

All of the following statements help to explain why water molecules form hydrogen bonds except:- The electrons spend more time around the oxygen atom because oxygen is more electronegative than hydrogen.- Attractions form between opposite partial charges.- Water is an electronegative molecule.- There is a partial positive charge on each hydrogen atom and two partial negative charges on the oxygen atom in a water molecule.

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Evidence boundary

The answer preserves the wording of this four-choice question version. It interprets the option about two partial negative charges as referring to the oxygen end's partial negative character; it does not assert that a water molecule contains two separate full negative charges.