Florida Biology EOC Practice Test 2026 - Free Biology End-of-Course Practice Questions and Study Guide

Question: 1 / 400

What is the defining characteristic of polar molecules?

An end that is slightly positive and an end that is slightly negative

Polar molecules are defined by the presence of an end that is slightly positive and an end that is slightly negative. Option B is incorrect because it describes nonpolar molecules, which have an equal distribution of electrical charge. Option C is also incorrect because polar molecules by definition have electrical polarity. Option D is incorrect because polar molecules may also have negative charges, while option D states the presence of only positive charges. Overall, only option A correctly describes the defining characteristic of polar molecules.

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Equal distribution of electrical charge

Lack of electrical polarity

The presence of only positive charges

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