'Electron affinity' presentation slideshows

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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Chapter 11

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Unit 5 Notes p. 3-4

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Periodic Table

Periodic Table. Trends. Trends of the Periodic Table: At the conclusion of our time together, you should be able to:.

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Chapter 4

Chapter 4. Learning Objectives. Understand the development and need for the periodic table Identify the properties and locations of families on the periodic table Identify trends of atomic properties. Dmitri Mendeleev. 1869 63 known Elements Arranged by atomic mass. Henry Moseley.

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Periodic Properties of Elements

Periodic Properties of Elements. Chemistry 100 Chapter 7. The Modern Periodic Table. Atomic size. Atoms do not have a well defined size. As the distance from the nucleus increases, it becomes less probable that an electron will be found there. Examine a molecule of A 2

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Chapter 14 MS Contacts and Schottky Diodes

Semiconductor Device Physics. Chapter 14 MS Contacts and Schottky Diodes. Chapter 14. Metal-Semiconductor Contacts and Schottky Diodes. pn -junction diode. I. V A. Schottky diode. MS Contact. The metal-semiconductor (MS) contact plays a very important role in solid-state devices.

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ELECTRICAL, CHEMICAL, AND STRUCTURAL CHARACTERIZATION OF THE INTERFACE FORMED BETWEEN Au/Pd CONTACT STRUCTURES AND CLEAN

ELECTRICAL, CHEMICAL, AND STRUCTURAL CHARACTERIZATION OF THE INTERFACE FORMED BETWEEN Au/Pd CONTACT STRUCTURES AND CLEANED p-TYPE GaN (0001) SURFACES. North Carolina State University P.J. Hartlieb, A. Roskowski, and R.F. Davis Dept. of Materials Science and Engineering Raleigh, NC 27695-7907

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Unit 6: Bonding, Shapes & Theory

Unit 6: Bonding, Shapes & Theory. Chapters 9, 10 & 11. Chemist ?s Review. Where do elements get their properties? How can I predict whether two elements will react? How do the quantum numbers-n, l, m l and m s differ?. n = principal quantum number l = angular momentum (shape)

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Periodicity-trends of the elements on the periodic table

Periodicity-trends of the elements on the periodic table. Mr. Guerrero LFHS. The 2 reasons for most trends:. 1) Effective Nuclear Charge( Zeff )- the ability(pull) of the nucleus to attract its valence electrons. This increases with increasing numbers of protons in the nucleus.

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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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Trends in the Periodic Table

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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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Chemical trends

Chemical trends. Electronegativity. What is the Electronegativity of the following elements? C H O U. Electronegativity. Answers: C : 2.5; H : 2.1, O: 3.5, U: 1.4;. Valence Electrons.

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Miljani? Group Meeting / Literature University of Houston ? Houston, TX ? January 16 th 2009

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2 nd Ionization Energy

2 nd Ionization Energy. By: Jonah Landau, David Miron , and Julie Baldassano. Definition. Q uantity of energy that an isolated, gaseous atom must absorb to discharge a second electron Energy required to remove an electron from an atom with a +1 charge

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Born-Haber cycle for the formation of magnesium chloride.

Mg 2+ (g) +2e - + 2Cl(g). Mg(g) + Cl 2 (g). Mg(g) + 2Cl(g). Mg + (g) +e - +2Cl(g). Mg 2+ (g) + 2Cl - (g). Mg 2+( Cl - ) 2 (s). enthalpy of formation of magnesium chloride. Born-Haber cycle for the formation of magnesium chloride. D H 4 = +1460 kJ.

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