Homework 2 (MOL S11)

Homework 2 (MOL S11) - V55.0310 NATURAL SCIENCE II:...

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1 V55.0310 NATURAL SCIENCE II: MOLECULES OF LIFE SPRING 2011 HOMEWORK 2 DUE AT THE BEGINNING OF CLASS ON MONDAY, FEBRUARY 14 Name : _________________________________ __ Lab section and Time : _________________ Lab Instructor: _______________________________ Answer all questions on this sheet in the space provided. Two questions will be graded with a maximum of four points each. Two extra points will be awarded for completing all the questions. CHEMICAL ELEMENTS Question 1: The chemical element sulfur is found in some types of biological molecules. Which of the following elements does the chemistry of sulfur most closely resemble – carbon , nitrogen , oxygen or fluorine ? Explain your answer. Question 2: Strontium-90 ( 90 Sr) is a radioactive isotope that is produced during nuclear reactions. When the Chernobyl nuclear reactor exploded in 1986, large amounts of 90 Sr were released into the surrounding environment. The main medical concern about 90 Sr is that exposed individuals can accumulate this radioactive isotope into their bones .
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This note was uploaded on 11/07/2011 for the course MAP V55.0310.0 taught by Professor Tracejordan during the Spring '11 term at NYU.

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Homework 2 (MOL S11) - V55.0310 NATURAL SCIENCE II:...

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