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Elements & Atoms
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Tue 8/26 1.When must you wear safety glasses in the lab? Anytime you use: Chemicals Heat Glassware
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1 Ch 5 Periodic Table. 2 3 Periods Rows are called periods. Rows are called periods. Period number indicates the highest occupied energy level of the
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Metals, Nonmetals, and Metalloids. Metals Characteristics of metals Metals are solids (for the exception of Mercury which is a liquid) at room temperature
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1 Class TAKS Review Objective 4 Matter and Change
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TAMING THE TAKS TEST
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Chemistry in Motion: Unit 4 Hobbs. 1. Bell Ringer: March 31, 2014 The oxidation number (charge) of an atom is show with a _______. a.Negative number b.Positive
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Chapter 17 & 19 Review Quiz Show. What is group 1’s family name?
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The History of the Modern Periodic Table. History of the Periodic Table Dmitri Mendeleev – first to organize elements according to their properties Mendeleev
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TAMING THE TAKS TEST OBJECTIVE FOUR Chemistry –Periodic Table (metals, nonmetals, noble gases) –Atoms and bonding atoms –Properties of Matter –Physical
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Bond. Ionic Bond “Electrons Taken not Shared” Formation of Ionic Compounds Ionic compounds are composed of cations (metals) and anions (nonmetals). Although
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Mendeleev Arranged the 70 known elements at the time in columns in order of increasing atomic mass. He then arranged the columns so that the elements with
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