'Same energy level' diaporamas de présentation

Chemistry

Chemistry. Matter. Organisms are composed of matter Matter is anything that takes up space and has mass Matter is composed of chemical elements Matter is found on the Earth in three physical states Solid Liquid Gas. States of Matter.

915 views • 64 slides

Chemistry

Chemistry. Matter. Organisms are composed of matter Matter is anything that takes up space and has mass Matter is composed of chemical elements Matter is found on the Earth in three physical states Solid Liquid Gas. States of Matter.

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Starter

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Topic 3: Periodicity

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Periodic Table

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Agenda:

Agenda: . Homework:. Objective: To understand the physical and chemical properties of atoms based on their position on the Periodic Table. Warm-up: Properties of Groups Trends in properties How do we use the Periodic Table to predict properties of elements? Reactivity: Atomic size

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Periodic Trends

Periodic Trends. Introduction

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MO Theory

MO Theory. H 2 + and H 2 solns. Solutions to Hydrogen Molecule Ion. Y 2 , E 2 = -10.16 eV (for H 2 ). Y 1 , E 1 = 1.37 eV (for H 2 ). Solutions to Hydrogen Molecule. MOs created from combinations of p-orbitals. p xA + p xB , p yA + p yB. p xA - p xB , p yA - p yB. p zA - p zB.

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Chapter 6

Chapter 6. Periodic Table and Periodic Law. The Periodic Table got its name because of the repeating pattern of chemical & physical properties. Mendeleev ordered his periodic table with elements arranged in order of increasing atomic mass .

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History

History. Ch. 5 - The Periodic Table. Mendeleev. Dmitri Mendeleev (1869, Russian) Organized by increasing atomic mass . Grouped by properties Some discrepancies . Mendeleev (continued). Dmitri Mendeleev (1869, Russian) Predicted properties of undiscovered elements. Moseley.

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Chapter 6 Electronic Structure of Atoms

Chemistry, The Central Science , 10th edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 6 Electronic Structure of Atoms. John D. Bookstaver St. Charles Community College St. Peters, MO ? 2006, Prentice Hall, Inc. Waves.

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GSCI 163

GSCI 163. Lecture 3. Review: Structure of the atom. Atoms are made of 3 elementary particles The mass of an atom is primarily the sum of the masses of their protons and neutrons. Elements.

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Periodic Table

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Topic 3 Periodicity

Topic 3 Periodicity . SL + HL. 3.1 The periodic table of the elements. The elements are arranged in order of increasing atomic number , reading from left to right starting in the top left corner. Names and symbols are given in Chemistry Data Booklet

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The Periodic Table

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Electron Configurations

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Periodicity

Periodicity. Periodic table and its importance. Elements are arranged in order of increasing atomic number and there is a periodicity in their physical and chemical properties. Atomic number (no. of electron). A. X . Z. Mass number (no. of neutron + proton).

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Periodic Trends

Periodic Trends. Atomic Size Ionization Potential Melting Point Boiling Point. Atomic Size. Atomic size or atomic radius can be measured in several different ways: The distance between the centers of diatomic molecules is divided by 2

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Atomic Radius

Atomic Radius. By: Kelly Sun, David Zeng, George Xu. Definition of Atomic Radius. Atomic Radius is a measure of the size of an atom Total distance from atoms nucleus to the outermost electron orbital Usually found be finding half the distance between two nuclei. No standard definition

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Periodic Table Set-up

Periodic Table Set-up. Periodic Trends. Atomic Radius :. 1/2 distance between 2 nuclei of the same element. Group Trend: Increases . Why: e-are being added to new energy levels further away, electron shielding occurs, so the nucleus can not pull electrons in a close. .

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