CH 201 Lecture 04 2009s

CH 201 Lecture 04 2009s - CH 201 Tuesday, October 13 Ionic...

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CH 201 Tuesday, October 13 “Ionic Formulas and Names”
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Last Time… Tips for factor-label problems Converting ratios Units with exponents Atomic Structure Groups of elements Metals and nonmetals Formation of molecular compounds and ionic compounds
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Review Question: How many neutrons does an atom of Ca-41 contain? 1. None 2. 20 3. 21 4. 39 5. 41
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Let’s Make Some Molecules! Molecular Compounds Between non-metals only (examples: H 2 O, CO 2 , CH 4 ) Form strong bonds; make molecules Most molecules in living organisms are molecular More discussion next quarter Ionic Compounds Between metals and non-metals Ions and how they form Properties of ionic compounds
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Formulas For Ionic Compounds Ionic compounds must have an overall charge of zero Example 1: Magnesium and fluorine Example 2: Lithium and sulfur
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which contains aluminum and oxygen? 1.
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This note was uploaded on 10/19/2010 for the course CHEM 201 taught by Professor Richardson during the Fall '06 term at Oregon State.

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CH 201 Lecture 04 2009s - CH 201 Tuesday, October 13 Ionic...

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