CHEM 1211 Lecture 17 Outline of Last Lecture I Orbital Quantum Number 1 Clicker Question One 2 Clicker Question Two 3 Clicker Question Three A The S Orbital B The P Orbital C The D Orbital II Spin Quantum Number 1 Clicker Question Four Outline of Current Lecture I Using a Clicker for Spins A Clicker Question One B Clicker Question Two C Clicker Question Three D Clicker Question Four II Electron Configurations for Helium III Hund s Rule Current Lecture I Using a Clicker for Spins A Spin V Spin Separating Orbitals AV AV A Clicker Question One What quantum number would be used to determine the number of orbitals in a subshell A Angular Momentum Quantum Number B Magnetic Quantum Number C Principle Quantum Number D Spin Quantum Number B Clicker Question Two II The angular momentum quantum number for a subshell is four How many orbitals would we expect to find A 10 B 4 C 6 D 16 E 9 C Clicker Question Three What type of orbital is this G D Clicker Question Four When filling three degenerate orbitals with two electrons you must first A Utilize Pauli Exclusion Principle B Throw them in Jail C Understand DE Broglie s Principle D Apply Hund s Rule Electron Configurations for Helium Z 2 2px energy 2pz 2s 1s III 1s 2s 2px 2py 2pz 2py 1s Orbital Box Notation 1s Core electron 2s Valence Outer Shell electron Lithium 1s2 2s1 Valence He 2s1 Condensed Number of Valence Electrons 1 Hund s Rule Nitrogen Z 7 1s Core 2s 2p Valence
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