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Covalent Bond Teacher Resources
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Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and nonpolar covalent bonds, and addresses VSEPR theory. If you happened to cover all of these topics within one chapter, this might be a useful resource for you.
High schoolers are able to discuss the difference between a proton, a neutron and an electron. They also can explain the difference between an ionic and a covalent bond. Students know the main structure of atoms and molecules. Student are able to: name different elements of the periodic table, make clay models of atoms and molecules, and define proton, neutron, and electron.
After studying the different aspects of atoms and their reactivity, pupils will find this summary PowerPoint useful for review. Some of the slides are informative with labeled diagrams; others give important vocabulary. Teachers may want to take sections of this slide show to use as a supplement to other chemistry lessons.
Sal introduces students to the ways that atoms "stick together" by bonding. Students see that the process of atomic bonding is what creates molecules. He outlines specific examples of atoms combining through covalent bonding, polar covalent bonding, and metallic bonding. Previous knowledge of how electrons are given away and taken by elements would come in handy when viewing this presentation for the first time.
If you've ever wondered why crystals are so strong and hard, Sal does a fine job of explaining, in chemistry terms, why this is so. Crystals are great examples of covalent networks; which are the strongest and hardest substances in the chemical world. Boiling points and the strength of covalent bonds are used to illustrate how weak or strong a chemical bond is.
A great review of the structure and function of carbon-based molecules important to life, especially with relevance to humans. The chemistry behind the combination of polymers and the breakdown of bonds is covered. Valuable content in this slideshow is the collection of diagrams of each functional group.
In this bonding worksheet, students read about the octet rule in bonding, ion notation, ionic bonds, covalent bonds and oxidation numbers. Students write 2 ion notations, they determine if 8 sets of ions will make compounds, they draw 2 covalent bonds, they find the oxidation numbers of 10 atoms and they make 2 ionic compounds.
In this compounds worksheet, students are given a bag of colored gumdrops that represent specific atoms. They construct ionic and covalent bonds with gumdrops using the key provided and the compounds to build. They fill in a chart with bond type, a diagram of the gumdrop model and a Lewis dot structure.
This chemical bonds worksheet asks students to fill in a chart which identifies the structural particles, forces, melting point, and conductivity of different types of chemical bonds. They are also asked to draw diagrams of the four types of substances, as well as dot diagrams for each of the covalently bonded molecules. Teachers can use this worksheet to supplement their chemistry lesson.
In this bonding worksheet, students complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of electrons in ionic bonds and the sharing of electrons in covalent bonds.
Hydrogen bonds, and polarity are described in this PowerPoint, and the reasons for tension and cohesion associated with water. The states of water under certain conditions are explained with information about the changes in density and matter. There is a lot of information regarding the relationships with water and solvents, solutions, molarity, pH and dissociation.
You may want to make a few changes before sharing this slide show with your chemistry class. For one, remove the bright blue swirly background that makes the black font hard to read. Ionic bonds are described with the use of an electron dot diagram. Covalent bonds are explained with the use of colorful diagrams displaying the electron shells. The link to the movie about covalent bonding does not work, so this is another issue that you may want to resolve prior to using the resource.
Page one of this resource displays a chart of five different types of solids: metallic, ionic, covalent, molecular, and atomic. The forces that hold the particles together are also described. On page two, junior chemists consider different compounds and determine what type of crystals they form, name predominant molecular forces, and compare boiling points. Answers are included at the bottom of the page, therefore this is best used as a review of concepts.
Starting with a list of definitions and helpful tips for investigating electronegativity and bonding, this question sheet is comprehensive in focus and in its question style. Many types of questions or realistic situation are available, where students have to consider rules of polarity and bonding type. Your class should also draw Lewis Dot structures for the molecules given. A good sheet to keep along with notes for further review.