1_Structure of the atom

1_Structure of the atom - RECITATIONS On Thursdays Small...

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RECITATIONS On Thursdays Small class of ~30 led by your TA ractice sol ing problems get help from TA and other st dents Practice solving problems, get help from TA and other students Recitation Query at end of period Qy p • Concept based question • MUST explain how you get answer to get full credit. • One question, 5 points • Based on textbook and Supplemental problems Points available: 70 Maximum points possible: 50 No make up for Recitation Queries! Mary J. Bojan Chem 110 1
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RECITATIONS On Thursdays (tomorrow) Bring text, student packet, calculator Recitation = final preparation for Quiz Quiz questions are similar to Homework problems in syllabus Starting with second week: ngel QUIZ each week due on Thurs at 11:55pm Angel QUIZ each week due on Thurs at 11:55pm (Tues. on exam weeks) Quiz points available: 140 Maximum Quiz points possible: 100 o make up for quizzes! Mary J. Bojan Chem 110 2 No make up for quizzes!
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Chapter 6 Part 1 tructure of the atom Structure of the atom What IS the structure of an atom? What are the properties of atoms? REMEMBER: structure affects function! Important questions: Where are the electrons? What is the energy of an electron? Chapter 6 Part 1 Dual Nature of Light =  c E = h Line Spectrum Bohr Model of Hydrogen Atom Mary J. Bojan Chem 110 3
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Why do we start with Chapter 6? Overview of Chem 110 Key themes: tructure affects function (properties) structure affects function (properties). How do we know about atoms, etc.? Structure of atom Ch. 6 Properties of Atom Ch. 7 How atoms bond to form molecules Ch. 8 Structure of molecules Ch. 9 Properties of molecules Ch. 10, 11, 13 Molecules REACT! Ch. 3, 4, 10 ules that govern reactions Rules that govern reactions Thermodynamics (think energy) Ch. 5 Equilibrium Ch. 15 Mary J. Bojan Chem 110 4
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hat is the structure of an ATOM? What is the structure of an ATOM? COMPONENTS OF ATOMS mass charge (a.m.u.) (a.u.) proton p p electron e neutron n Neutral F 19 Ion 9 K 39 1 Mary J. Bojan Chem 110 9 5
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ISOTOPES Isotopes: are atoms with the same atomic number but different number of neutrons For a given element, the number of protons is fixed, but the number of neutrons can vary.
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1_Structure of the atom - RECITATIONS On Thursdays Small...

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