CHM115_SCB_Lecture6

CHM115_SCB_Lecture6 - ThisWeek Prelab Questions Ch. 3, due...

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This Week Prelab Questions Ch. 3, due in Lab this Week Reading Assignment for Lecture 7 6.1-6.6 OWL Homework – due Friday 1 st Exam September 20 th , Elliot Hall of Music Check out exams posted on Dr. Towns Website Review Session: Sept. 19 th in WTHR 201 7:30-9 PM
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Lecture 6 Reading was: 23.7 to 23.9
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Question #1 Which penetrates most deeply into the body? a. Alpha radiation b. Beta radiation
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Types of decay α – a helium nucleus, 4 2 He β – an electron, 0 -1 e γ – a photon, no charge, no mass Neutron – 1 0 n Elements undergo decay:
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Question #2 Upon absorption the deeply penetrating gamma radiation is b. non-ionizing.
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Measuring Nuclear Chemistry space filled with a suitable gas wire at about +1000 volts relative to the tube. Geiger Counter
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DNA mapping 32 15 P: Image DNA fragments
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Question #3 32 15 P is a radioactive isotope. Consider the band of stability graph from the previous lecture. How does 32 15 P decay?
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CHM115_SCB_Lecture6 - ThisWeek Prelab Questions Ch. 3, due...

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