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Lecture 2- Structure and Bonding

Lecture 2- Structure and Bonding - Lecture2...

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Lecture 2 Organic Chemistry: The Big Picture Chapter 1: Structure and Bonding
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Th 1.20.11 9:30 – 11:00 AM  Vanessa Patman 2 The Atom C 12.011 6 Question: What IS an atom? And where are the electrons?
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Th 1.20.11 9:30 – 11:00 AM  Vanessa Patman 3 Electron Configuration • Shells are divided into subshells called orbitals, which are  designated by the letters  s p d f ........ s  (one per shell)   p  (set of three per shell 2 and higher)  d  (set of five per shell 3 and higher) ..… – The distribution of orbitals in shells
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Th 1.20.11 9:30 – 11:00 AM  Vanessa Patman 4 Electron Configuration Aubau Principle: Pauli Exclusion Principle: Hund’s Rule: So how do we write an electron configuration?
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Th 1.20.11 9:30 – 11:00 AM  Vanessa Patman 5 Electron Configuration Shell Orbitals Contained in That Shell 3 2 1 1 s 2 s , 2 p x , 2 p y , 2 p z 3 s , 3 p x , 3 p y , 3 p z , plus five 3 d  orbitals Filled or “closed” shell configurations are especially stable Question: what elemental properties does this affect?
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