Chemistry_1031_day7_020409_actual

Chemistry_1031_day7_020409_actual - General Chemistry I...

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General Chemistry I CHE-1031 Dr. Jonathan M. Smith Wednesday, February 4
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Today 3.1 – 3.4 Chemical Bonds; Formulas; Models 3.5 – 3.6 Naming Ionic Compounds and Molecular Compounds Read Ch. 3
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Boron is not so boring… February 3, 2009 Theory and Experiment Meet, and a New Form of Boron Is Found By KENNETH CHANG Boron is a simple atom: five protons, five or six neutrons, five electrons. It is not as ubiquitous as hydrogen. It does not, as helium does, make your voice sound like Donald Duck. It is not as famous as carbon, its neighbor to the right on the periodic table. Perhaps it is held back by its name — sounds like boring.
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Molecules, Compounds, and Chemical Equations Chapter 3
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Tro, Chemistry: A Molecular Approach 5 Chemical Bonds compounds are made of atoms held together by chemical bonds Bonding: think of electrons as “glue” quantum mechanical description needed
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Tro, Chemistry: A Molecular Approach 6
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7 Representing Compounds with Chemical Formula compounds are generally represented with a chemical formula all formula and models convey a limited amount of information – none are perfect representations all chemical formulas tell what elements are in the compound use the letter symbol of the element
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Tro, Chemistry: A Molecular Approach 8 Types of Formula Empirical Formula Empirical Formula describe the kinds of elements found in the compound and the ratio of their atoms they do not describe how many atoms, the order of attachment, or the shape the formulas for ionic compounds are empirical
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This note was uploaded on 05/09/2010 for the course CHEM 1031 taught by Professor Thomas during the Spring '06 term at Temple.

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Chemistry_1031_day7_020409_actual - General Chemistry I...

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