17.3 notes.docx - Chapter 17 SecTon 3 ±he Periodic ±able...

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Chapter 17 Section 3: The Periodic Table Objectives: Learn the origin of the periodic table Use the periodic table to predict atomic structure and element properties. Explain the differences between metal, nonmetals, and metalloids. Vocabulary: Periodic table- a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns Group- Electron dot diagram- Lewis dot structures, and electron dot structures) are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule. period Organizing the Elements 1) What does “periodic” mean? relating to the periodic table of the elements or the pattern of chemical properties that underlies it. 2) Name something in everyday experience that has a periodic nature. days 3) In the late 1800’s, ___ Dmitri __________ ___ Mendeleev _______________, a Russian chemist, was searching for a way to organize the chemical elements.
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