'Low ionization energy' diaporamas de présentation

Bonding and Molecular Structure

Bonding and Molecular Structure. Goals: Understand the differences between ionic and covalent bonds . Draw Lewis electron dot structures for small molecules and ions.

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Periodic properties of the elements

Periodic properties of the elements. AP Chemistry Chapter 7. Development of the periodic table. 1869: Dmitri Mendeleev Arranged elements by increasing atomic mass Grouped elements with similar properties in columns Left blank spaces for undiscovered elements

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Chemistry Unit 5 Study Guide

Chemistry Unit 5 Study Guide. You may use this study guide to review for your test; practice your new skills or review old concepts. Each topic has several questions relating to it, this should help with giving you plenty of practice. Ions and Charges Question A.

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Periodic Properties of the Elements

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Ionic and Covalent bonding

Ionic and Covalent bonding. David A. Katz Pima Community College Tucson, AZ. Ionic Bonding. Between a metal with low ionization energy ( little energy required to remove an electron) and a non-metal with high electronegativity and electron affinity

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TOPIC: Metals vs Nonmetals

TOPIC: Metals vs Nonmetals. Classifying the Elements. 2/3 (75%) of elements are metals Remaining elements: non-metals & metalloids (semi-metals) Metalloids: some properties of metals & some properties of nonmetals Staircase: dividing line between metals & nonmetals

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Do Now

Do Now. What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table ? the number of neutrons in the atom the number of protons in the atom the number of valence electrons in the atom

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ECE 340 Lecture 6 Intrinsic Material, Doping, Carrier Concentrations

ECE 340 Lecture 6 Intrinsic Material, Doping, Carrier Concentrations. Intrinsic semiconductor = pure, without external additives No free charge carriers at T=0K What about at T=300K? How much energy to break a bond?.

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Deciphering the Code of the Universe:

Deciphering the Code of the Universe:. Simple Keys to Understanding and Interpreting the Periodic Table of Elements. The Periodic Table of Elements. Element: atoms of a class of substances that cannot be separated into simpler substances by normal (natural) chemical processes.

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CHEMICAL BONDING

CHEMICAL BONDING . Why bond? Atoms try to acquire particularly stable electron configuration (i.e the configuration maximizing binding energy) for their outer electrons ? form ions or molecules.

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Chemical Bonding- 2002 AP

Chemical Bonding- 2002 AP. Use the principles of atomic structure and/or chemical bonding to explain each of the following. In each part, your answer must include references to both substances a. The atomic radius of Li is larger than that of Be.

212 views • 10 slides