feb_1_17_chapter_5_4.pdf - C117 Principles of Chemistry...

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McMurry, Fay, Robinson C117: Principles of Chemistry & Biochemistry I Chapter 5 – Lecture 4 (Feb 1, 2017) Periodicity and the Electronic Structure of Atoms
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Announcements Exam 1 – Tuesday, Feb 7 – 7:15-9:15 PM. Early exam from 5:15-7:15 PM. No other make-up exams are possible. Exam will cover up to Chapters 9 and 5 More details with room numbers will be announced soon. Useful equations and constants have been posted online. Use this for practice. A sample exam will be posted on Wednesday. Homework for Chapter 5 was posted last Friday. Any DSS students who have not turned in your forms, please do so as soon as possible. You will be individually contacted by the undergraduate office before each exam.
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Splitting of energy levels refers to the splitting of a shell into subshells of different energies. Why is hydrogen unique? We will get an explanation later in today’s lecture. Many-electron Atoms Subshells do not have equal E for many-electron atoms .
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