'Group trends' diaporamas de présentation

Chapter 14 Chemical Periodicity

Chapter 14 Chemical Periodicity. Charles Page High School Dr. Stephen L. Cotton. Section 14.1 Classification of the Elements. OBJECTIVES: Explain why you can infer the properties of an element based on those of other elements in the periodic table. Section 14.1 Classification of the Elements.

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Periodicity

Periodicity. Classification of the Elements. OBJECTIVES: Explain why you can infer the properties of an element based on those of other elements in the periodic table. Classification of the Elements. OBJECTIVES:

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Chapter 6 The Periodic Table

Chapter 6 The Periodic Table. The how and why. History. 1829 German J. W. Dobereiner Grouped elements into triads Three elements with similar properties Properties followed a pattern The same element was in the middle of all trends Not all elements had triads. History.

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Periodic Trends

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Periodic Trends and Energy

Periodic Trends and Energy. Effective Nuclear charge. Can be calculated from E = -2.178 x 10 -18 J (Z eff 2 / n 2 ) And ?E = -2.178 x 10 -18 J Z eff 2 (1/ n f 2 - 1/ n i 2 ). More Polyelectronic.

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Chemistry Chapter 5

Chemistry Chapter 5. The Periodic Table. Sept 1860, group of chemists met in Germany to review scientific matters & coming to consensus about: measurement of atomic masses determining composition of compounds using atomic masses

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VIRTUAL BUSINESS Personal Finance

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Chapter 7 Lecture Presentation and Notes

Chapter 7 Lecture Presentation and Notes. Part 2. Nonmetals. Dull, brittle substances that are poor conductors of heat and electricity. Tend to gain electrons in reactions with metals to acquire noble gas configuration. Nonmetals. Substances containing only nonmetals are molecular compounds.

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Nonmetals

Nonmetals. Dull, brittle substances that are poor conductors of heat and electricity. Tend to gain electrons in reactions with metals to acquire noble gas configuration. Nonmetals. Substances containing only nonmetals are molecular compounds. Most nonmetal oxides are acidic. Metalloids.

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POSTTRAUMATIC STRESS DISORDER (PTSD): A PERSPECTIVE FOR EDUCATORS

POSTTRAUMATIC STRESS DISORDER (PTSD): A PERSPECTIVE FOR EDUCATORS. Glendon Rayworth, Psy.D., C.Psych. TDSB Psychological Services Caring and Safe Schools E-mail: glendon.rayworth@tdsb.on.ca. Presentation Outline. PTSD Defined PTSD In Children Group Trends Technical Criteria

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