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Periodic Trends Homework Help Resources


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Discusses the difference between shielding electrons and valence electrons, with several examples.
Clackamas Community College 9th - 12th, Chemistry
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32 Elements
StudyStack Chemistry, Middle Grades Science
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Printable study cards (.pdf format) covering chemical bonding: ionic and covalent bonding, Lewis structures, electronegativity, shapes of molecules.
Chemmybear.com, Paul Groves of South Pasadena High School 10th - 12th, Chemistry
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basic quantum theory, atomic spectra, electron configurations, chemical periodicity and the organization of the periodic table.
Atoms and the periodic table 11th - 12th, Chemistry
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Basic Chem
StudyStack Chemistry
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A video demonstration of Ionization Energy and Periodic Table Trends from Salman Khan of Khan Academy.
Khan Academy Chemistry
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Printable study cards (.pdf format) covering the periodic table: periodic trends, ionization energy, history.
Chemmybear.com, Paul Groves of South Pasadena High School 10th - 12th, Chemistry
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Discusses periodic trends in atomic and ionic radius, with pictures and some discussion of the electron configurations behind the trends.
ChemGuide 9th - 12th, Chemistry
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Chapter 6 - Standard Esthetics
StudyStack Chemistry
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A video demonstration of Periodic Table Trends from Salman Khan of Khan Academy.
Khan Academy Chemistry
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