BIOL 1610 CHAPTER 2 ATOMS AND MOLICULES (KEY TERMS)

BIOL 1610 CHAPTER 2 - BIOL1610STUDYGUIDE:CHAPTER2 acid (H)andanions adhesion atom

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BIOL 1610 STUDY GUIDE: CHAPTER 2 KEY TERMS – be able to define and use the following terms: acid - is a substance that dissociates in solution to yield hydrogen ions (H+) and anions. adhesion - the ability to stick to many other kinds of substances. atom - the smallest portion of an element that retains its chemical properties. atomic mass - a number thatindicates approximately how much matter is contains compared with another atom. amu (Dalton) - is approximate mass of a proton or neutron. atomic nucleus - Protons and neutrons composed together. atomic number - A fixed number of protons in the atomic nucleus. Avogadro’s number - Vary large number of units in a mole, 6.02 x 10^23. base - is defined as a proton acceptor. bond energy - is the energy necessary to break a chemical bond. buffer - is a substance or combination of substances that resists changes in pH when an acid or base is added. capillary action - A combination of adhesive and cohesive forces. chemical bond -
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This note was uploaded on 03/05/2010 for the course BIOL 1610 taught by Professor Jimblevins during the Spring '10 term at Salt Lake Community College.

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BIOL 1610 CHAPTER 2 - BIOL1610STUDYGUIDE:CHAPTER2 acid (H)andanions adhesion atom

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