Quark

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Quark in his Halloween costume

Tuesday, November 3, 2015

Chapter 3, 7 & 12 Test Study Guide

Chapter 3:
--Know how to make the formula for a chemical compound when you have the ions for the elements

Chapter 7:
--Know the signs of a chemical change
--Know the difference between a physical and a chemical change
--Know examples of a physical change and chemical change
--Know how to balance an equation by changing the co-efficients
--Know what the co-efficient and subscript represent in an equation
--Know how to write a chemical equation when given the words for the names of the compound and elements

Chapter 12:
--Know how to determine how many electrons an atom must gain or lose to form an ion with noble gas electron configuration
--Know the difference between a covalent and ionic bond
--Know how to draw the molecule for a polar covalent, nonpolar covalent and ionic bond
--Know which parts of the molecule are positive and negative charged
--Know the difference between a polar covalent and nonpolar covalent bond
--Know the differences in electronegativities between metal and nonmetal elements

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