bild1ps - Problem Set 1 BILD1 Spring 2009 1 Its a relaxing...

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Problem Set 1 BILD1 Spring 2009 1. It’s a relaxing Sunday morning. Since you are a scientist, you love to kick back and answer questions about atoms. Answer the following questions. a. For the below elements, complete the chart: Atomic # Mass # # of Protons # of Neutrons # of Electrons Cl 17 18 N 7 14 C 12 6 Mg 12 12 b. What is an isotope? If we were talking about the C 13 isotope for the carbon atom, how would the above chart differ? c. For the same elements in the chart above, how many electron shells does each atom possess? How many valence electrons does each possess? 2. True or False? a. In a cell, all chemical reactions are not always reversible. b. Silicon would have been an acceptable substitute for carbon had it been abundant on primitive Earth. c. Electrons with the greatest energy are found farthest from the atomic core. d. Galactose and glucose are distinct monosaccharides due to their different chemical formulas. e.
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This note was uploaded on 04/09/2009 for the course BILD BILD 1 taught by Professor Bever during the Winter '08 term at UCSD.

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bild1ps - Problem Set 1 BILD1 Spring 2009 1 Its a relaxing...

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