Outer electrons - PowerPoint PPT Presentation
Chapter 8
Chapter 8. Electron Configuration and Chemical Periodicity. Electron Configuration and Chemical Periodicity. 8.1 Development of the Periodic Table. 8.2 Characteristics of Many-Electron Atoms. 8.3 The Quantum-Mechanical Model and the Periodic Table.
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Metallic Bond
Metallic Bond. IB. Formation of metallic bond. the metal atoms "lose" one or more of their outer electrons These electrons become delocalized, and free to move throughout the entire metal. These negative delocalized electrons hold the metal cations together strongly.
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Chapter 8
Chapter 8. Electron Configuration and Chemical Periodicity. Electron Configuration and Chemical Periodicity. 8.1 Development of the Periodic Table. 8.2 Characteristics of Many-Electron Atoms. 8.3 The Quantum-Mechanical Model and the Periodic Table.
By tansy
Periodic table
Periodic table. The periodic table can be understood in terms of the possible electron states, as predicted by the solution of the Schrödinger equation, and the Pauli principle.
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Periodic Law
Periodic Law. Chapter 6. 1790 Antoine Lavoisier – Compiled a list of known elements – 23 1864 John Newlands – 1 st proposed organizational scheme for elements. Dmitri Mendeleev – Russian Chemist who first developed the Periodic Table .
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Effective Nuclear Charge
Effective Nuclear Charge. Weston Conner. Background Knowledge. Outer electrons are attracted to the nucleus. Coulomb’s law of attraction indicates that the strength of the interaction between two electrical charges depends on the magnitude of the charges and the distance between them.
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Static Electricity Notes
Static Electricity Notes. CP Physics Ms. Morrison. Electrical Forces . Created by the attraction and repulsion of charged particles (ions) Part of electromagnetic force. Electromagnetic Forces vs. Gravitational Force. Electromagnetic Force. Gravitational Force.
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Naming Compounds Nomenclature
Naming Compounds Nomenclature. http://www.youtube.com/watch?v=b4wveY2-lCo.
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Lesson Objectives:
The Periodic Table. Lesson Objectives: • Describe the Periodic Table in terms of the arrangement of elements by increasing atomic number , in periods and in groups . • Explain how periodicity is a repeating pattern across different periods.
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Bell work
Bell work. Pull out Electron Arrangements and the special periodic table that goes with it. On a scale of 1-10 (1-easy, 10-impossible), how difficult was this assignment? What parts were easy to understand? What parts were difficult?. Agenda. Bell work Notes
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Unit 5: Periodicity
Unit 5: Periodicity. Cartoon courtesy of NearingZero.net. History. Russian scientist Dmitri Mendeleev taught chemistry in terms of properties. Mid 1800 - molar masses of elements were known. Wrote down the elements in order of increasing mass. Found a pattern of repeating properties.
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Secondary Electron D etector
Secondary Electron D etector. Ana Zehtabi Oskuie. SEM basics:. The electron beam interaction with near surface specimen atoms will make a signal which results in the SEM image . . Introduction Secondary electron secondary electron detector.
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Atoms and Nature of Science
Atoms and Nature of Science. Mr. Finn Fall, 2013. Richard Feynman.
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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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Covalent Bonds
Covalent Bonds. Chapter 9. A Model of Bonding. Atoms either transfer electrons and then form ionic compounds or they share electrons to form covalent compounds. . In both cases, the bond forms because of an increase in stability. . A Model of Bonding.
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Important Terms
Important Terms. Feb. 12, 2014. Conductor. Materials that transfer (or conduct) heat well are known as conductors. Metals are the best conductors. Why? Metals have the most “loose” outer electrons to transfer the thermal (electrical also) energy through the material. Insulator.
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Bell work
Bell work. Pull out Electron Arrangements and the special periodic table that goes with it. On a scale of 1-10 (1-easy, 10-impossible), how difficult was this assignment? What parts were easy to understand? What parts were difficult?. Agenda. Bell work Notes
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Metallic Bond
Metallic Bond. IB. The Periodic Table of Elements. Periodic Table. Formation of metallic bond. the metal atoms "lose" one or more of their outer electrons These electrons become delocalized, and free to move throughout the entire metal.
By maren
Periodic Trends
Periodic Trends. Still all about + and – charges!. Which of the following atoms is the largest?. Mg Ca Sr How the fluorine should I know?. Which of the following atoms is the largest?. Mg Al Cl. Periodic for a Reason.
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Trends In the periodic table
Trends In the periodic table. Trends in Atomic Radii. The atomic radius of an atom id defined as half the distance between the nuclei of 2 atoms of the same element joined together by a single covalent bond. Look at the atomic radii in the following table – notice any patterns?.
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