CHM115_SCB_Lecture8 - Lecture8 Reading was Chapter 8.4-8.7...

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Reading was Chapter 8.4-8.7 Lecture 8
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[ng] ns 2 np 4 Condensed Electron Configurations [noble gas] ns 1 [ng] ns 2 [ng] ns 2 np 1 [ng] ns 2 np 2 [ng] ns 2 np 5 [ng] ns 2 np 3 Only s & p electrons in outer shell
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3 Order of Orbital Filling There will be occasional anomalies in these periods, but if we use the expected pattern we can still use the predicted configurations to explain the chemistry of the atoms.
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What is the electron configuration of lead, element # 82? Order of Orbital Filling
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5 What is the condensed electron configuration of lead, element # 82? Order of Orbital Filling [Xe] Xe
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This week Reading for next lecture 8.1 and 13.3 – ionic vs. covalent trends Prelab Questions for this week’s lab OWL Assignment – due Friday at 11:59 PM Exam Tonight – Elliot Hall, 8-9 PM Seat assignment Purdue ID, pencils, approved calculators
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Calcium in nerve action A nerve impulse is transmitted from one cell to a muscle cell through the use of calcium ions and neurotransmitters. The nerve impulse triggers the opening of calcium channels allowing Ca 2+ ions to migrate into the cell. The presence of Ca 2+ ions triggers release of neurotransmitters (acetylcholine ACh) into the synapse. The neurotransmitters collect on the other side of the gap and trigger a contraction.
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Which is the smallest atom? a. As
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This note was uploaded on 09/29/2010 for the course PHYS 17200 taught by Professor Gaboracsathy during the Spring '09 term at Purdue University-West Lafayette.

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CHM115_SCB_Lecture8 - Lecture8 Reading was Chapter 8.4-8.7...

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