A diagram of a water molecule needs partial-charge labels. Which placement is accurate?
AOxygen end positive; hydrogen end negative✗ Incorrect
These labels reverse the charge distribution.
BBoth ends equally positive✗ Incorrect
The oxygen end has a partial negative charge.
COxygen end negative; hydrogen end positive✓ Correct
These partial charges match the distribution in water.
DBoth ends equally negative✗ Incorrect
The hydrogen end has a partial positive charge.
Answer
C. Oxygen end negative; hydrogen end positive
Rationale
The charge distribution in water is uneven. The oxygen end is partly negative, while the hydrogen end is partly positive.
RememberIn water, oxygen is partly negative and the hydrogen side partly positive.
Sources
Adhesion and Cohesion of WaterU.S. Geological Survey · License: US government work (public domain) · Retrieved · Molecular layout of liquid water molecules
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