'First ionization energies' diaporamas de présentation

CHAPTER 6

CHAPTER 6. Ionic Bonds and Some Main-Group Chemistry. Chemical Properties. Chemical properties and the reactivities of various elements can be predicted based upon their electronic configurations.

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Orbital Diagrams and Electron Configuration

Orbital Diagrams and Electron Configuration. Drawing orbital diagrams gives information not only about the orbitals that are/have been filled but also about the number of unpaired electrons. Orbital diagrams can be cumbersome!!. Electron Configuration.

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Atoms

Atoms. Periodic Table and Electron Configurations. Build-up order given by position on periodic table; row by row. Elements in same column will have the same outer shell electron configuration. The relation between orbital filling and the periodic table. Electron Configuration.

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Physical Properties

Physical Properties. Syllabus statements. 3.2.1 Define the terms first ionization energy , and electronegativity .

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History of the Periodic Table

What did Cannizzaro Do? Developing a method that led to the determination of standard relative atomic masses, which allowed chemists to search for periodic trends among elements . History of the Periodic Table. What did Mendeleev do?. Discovered the periodic law

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Ionization Energy

Ionization Energy. It requires more energy to remove each successive electron. When all valence electrons have been removed, the ionization energy takes a quantum leap. Trends in First Ionization Energies. As one goes down a column, less energy is required to remove the first electron.

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Atomic Radius

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Sample Exercise 7.1 Bond Lengths in a Molecule

Sample Exercise 7.1 Bond Lengths in a Molecule.

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