Quiz #3 Study Guide - Heaton Mitchell T. Heaton Mrs....

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Heaton Mitchell T. Heaton Mrs. Brennan AP Biology 25 September 2009 Quiz #3 Study Guide ____________________________________________ What is the biological medium on Earth? __________________________ What fraction of the Earth’s surface is covered by liquid water? _____________________________ How long did life evolve in water before spreading to land? ______________________________ About what fraction of an organism is composed of water? _________________________________ Water’s structure consists of an oxygen atom bound to two hydrogen atoms by what type of bond? _____________________________________________ The single most outstanding property of water is its ability to do what? ____________________________________________ In comparison to a covalent bond, what is the strength of water’s hydrogen bonds? ___________________ What is the most stable arrangement of water’s charges in which the two negative and two positive charges are approximately equidistant from one another? _________________ What is the bond angle between the two covalent oxygen-hydrogen bonds?
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This note was uploaded on 02/26/2012 for the course GENERAL 101 taught by Professor None during the Spring '12 term at Aurora University.

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Quiz #3 Study Guide - Heaton Mitchell T. Heaton Mrs....

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