Lecture_10_Periodicity - LECTURE NOTES LECTURE 10 Periodic...

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L E C T U R E N O T E S LECTURE 10 Periodic Table GENERAL CHEMISTRY Fall 2008 Updated: 11/22/2011
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Organizing the Elements The Periodic Law A.   The physical and chemical properties of the elements are periodic functions of their  atomic numbers B.   Elements on the table are arranged in order of increasing atomic number (number of  protons) Metals, Nonmetals, and Metalloids A.    Metals 1.   Good conductors of heat and electricity  2.   Lustrous (shiny) 3.   Solids (except mercury) 4.   Ductile (can be drawn into wire) 5.   Malleable (can be hammered into thin sheets) B.    Nonmetals 1.   Poor conductors of heat and electricity  2.   Most are gaseous 3.   Solids tend to be brittle C.    Metalloids 1.   Some properties of metals, some of nonmetals Classifying the Elements Periods and the Blocks of the Periodic Table A.    Periods 1.   Horizontal rows on the periodic table
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Lecture_10_Periodicity - LECTURE NOTES LECTURE 10 Periodic...

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