'8 valence electrons' presentation slideshows

Chemical Bonding

Chemical Bonding. Quarter 2 Unit 4. Compounds and Atomic Stability: Learning Objectives. Understand why atoms form compounds Understand chemical stability and the octet rule Understand how Ionic bonds and Ionic compounds are formed. How Elements Form Compounds.

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Jeopardy

Jeopardy. Valence Electrons. Reactivity Lab. Ionic Compounds. Trends. REDOX. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500. Q $500. Q $500. Q $500.

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The Periodic Table

The Periodic Table. Unit 3. Origins. In 1817, Johann Dobereiner found that the properties of the metals calcium, barium and strontium were very similar. He grouped these elements in a triad. Origins (Cont.).

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8.7 Covalent Bonding

8.7 Covalent Bonding. Molecules arise from localized attractive forces between atoms, which we call covalent bonds Atoms in the molecule are connected strongly, but molecules are not strongly attracted to each other.

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Ionic Bonding

Ionic Bonding. Ionic Bonding. There are three types of chemical bonds, ionic , covalent , and metallic. The first type of bond we will study is the IONIC BOND.

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Chemistry in Biology

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Covalent Bonds

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Bond

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Chapter 2: Protecting the Ozone Layer

Chapter 2: Protecting the Ozone Layer. Ozone Formation. 3 O 2 2 O 3. Energy must be absorbed for this reaction. Ozone is an allotropic form of oxygen. Element Allotropes oxygen O 2 , O 3 carbon graphite, diamond, buckminister fullerenes. 2.1. Atomic number (A).

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Vocabulary

Vocabulary. Periods Groups Metals Non-metals Metalloids. Periodic Law. The Periodic Law states that when elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties. Periods.

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Introduction to Chemical Bonding

Introduction to Chemical Bonding. Chemical Reactions:. During chemical reactions, elements combine , rearrange , or break apart with others to form new substances . New substances are created when chemical bonds are broken or created. New Substance. Original Substance. Magnesium Oxide.

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Valence Electrons:

Valence Electrons:. ELECTRONS AVAILABLE FOR BONDING. Standards. Students know how to use the periodic table to determine the number of electrons available for bonding . Students know how to draw Lewis dot structures. Definition.

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Lewis Dot Molecular Structures

Lewis Dot Molecular Structures. Introduction. To this point we have studied the three main types of bonds Ionic Covalent Metallic

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Electron configurations and Orbital Diagrams

Electron configurations and Orbital Diagrams. What is an electron configuration? It shows how the electrons are placed around an atom. What are they used for? To show how an atom will bond and/or to explain the charge an atom has when it becomes an ion. Number of electrons in that sublevel.

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Energy levels and valence electrons

Energy levels and valence electrons. Electrons and Energy Levels. Electrons are found in energy levels. The energy level diagram for Fluorine. * In the first orbit, there are 2 electrons. * In the second orbit, there are 7 electrons. * In the third orbit, there are no electron.

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Ionic Bonds and Properties of Ionic Compounds

Ionic Bonds and Properties of Ionic Compounds. Ions. Recall that atoms lose or gain electrons to form ions. Metals tend to lose electrons and form positively charged ions called cations. Nonmetals tend to gain electrons and form negatively charged particles called anions.

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Lewis Structures

Chapter 6-2. Lewis Structures. Drawing Lewis structures for molecules. 1. Determine the total number of valence electrons in the molecule .

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Lecture 8A - Formation of Covalent (Molecular) Compounds

Lecture 8A - Formation of Covalent (Molecular) Compounds. I. Covalent Bonds. A. These bonds are formed from two atoms _________ electrons, so each atom will have a filled outer energy level. sharing. 1 dash represents 2 electrons. A bond is drawn as a dash:.

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