Lecture _2 - Review of Chemistry II

Lecture _2 - Review of Chemistry II - Lecture #2 Review of...

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The Chemistry of Life he hem stry of L fe Lecture #2 – Review of Chemistry II Campbell – Reece, 8 th Edition Reading Assignment: Chapters 2 - 4 BIOL 203 – Spring 2010 Ralph Feuer
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mportant Notes Important Notes Some students wish to purchase used versions of Campbell – Reece 7 th Edition I am not familiar with this edition Therefore, I cannot ensure that all of the information will be found in the Seventh Edition Perhaps you can compare editions with a colleague MasteringBiology MBFEUER08948: Biology 203 – Feuer Section Online quizzes; Supplemental material
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mportant Notes Important Notes Biology 203 covers a lot of material. In order to pass the course, you should keep up with the material on a daily basis. Attend lectures, take detailed notes of your reading and the lecture This involves more than copying down what the lecturer writes on the board! Either annotate or recopy your notes while the lecture is still fresh in your mind Use the text to fill in gaps and correct ambiguities Try to answer questions at the end of the text chapters or use the "Interactive Study" guide on CD ROM which comes with your text Take advantage of the online resources provided by the textbook publisher These are all proven mechanisms for obtaining command of the subject matter, but it requires time Dr. Feuer and Dr. McGuire have different teaching philosophies and grading/hard to switch half way through the course There will be four equal weighted exams; no comprehensive final exam I will not be posting “study guides” I feel that students should utilize my posted lectures as study guides Exams emphasize subject matter covered during lectures uring the lectures, I might suggest material most likely to be on the exam Du ng u , m g ugg m m y n m I approach the class from a “biological” point of view I will post practice exams I may include questions from the bonus quizzes on the exams
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MasteringBiology ww masteringbio com www.masteringbio.com rovides self- tudy Provides self study media BioFlix animations and student tools Discovery Videos, E- Book, quizzes Online assignments Supplemental material
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Electrons are Distributed Shells of Orbitals in Shells of Orbitals Each orbital contains a maximum of two electrons Chemical behavior of an atom depends mostly on number of electrons in outermost shell called valence electrons
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Energy Levels of Electrons / lectron Shells Electrons in an atom vary in the amount of potential Electron Shells energy they possess ( fixed, discrete amounts ) Different discrete energy levels correlate with average distance of electron from nucleus ( electron shells ) igher Higher energy Lower energy
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We Are Carbon-Based Life orms Forms ~96 %: Oxygen (O) + Carbon (C) + Hydrogen (H) + Nitrogen (N) ~4 %: Ca, P, K, S, Na, Cl, Mg Trace elements (< 0.01%): B, Cr, Co, Cu, F, I, Fe, Mn, o Se Si Sn V Zn Mo, Se, Si, Sn, V, Zn Composition of other organisms on Earth is similar
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Silicon-Based Life Forms
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This note was uploaded on 03/07/2010 for the course BIO 203 taught by Professor Feuer during the Spring '10 term at San Diego State.

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Lecture _2 - Review of Chemistry II - Lecture #2 Review of...

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