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Chapter 5: The Structure of Matter

Chapter 5: The Structure of Matter. Cool Chemistry Videos. Video One Video Two. Overview. Compounds and Molecules. Ionic and Covalent Bonding Compound Names and Formulas Organic and Biochemical Compounds. Compounds and Molecules.

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Chapter 5: The Structure of Matter

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  1. Chapter 5: The Structure of Matter

  2. Cool Chemistry Videos • Video One • Video Two

  3. Overview • Compounds and Molecules. • Ionic and Covalent Bonding • Compound Names and Formulas • Organic and Biochemical Compounds

  4. Compounds and Molecules • Compounds are a substance made up of two or more different elements joined by chemical bonds. • Molecules are the smallest unit of a substance that keeps all of the physical and chemical properties of that substance; it can consist of one atom or two or more atoms bonded together.

  5. Compound or Not? • He • NaCl • H20 • Ne • O2

  6. Chemical Bonds • The attractive forces that hold different atoms or ions together in compounds. • Chemical bonds distinguish compounds from mixtures.

  7. Why do chemical bonds form? • They form to give elements complete octets. • You can predict which elements might react with one another based on those valence electrons. • Example H2O

  8. Create your own • Predict what some compounds might be. • Based off valence electrons. • Come up with 5 at your table.

  9. Types of Chemical Bonds • Hydrogen Bonding • Ionic Bonds • Metallic Bonds • Covalent Bonds

  10. Ionic Bonding • Are formed by the transfer of electrons. • Usually between a metal and a non-metal • Formed between oppositely charged ions.

  11. Examples of Ionic Bonds • LiCl • KCl • NaCa • Name 3 possible Ionic Bonds

  12. Other Properties of Ionic Bonds • When melted or dissolved in water they form ions and conduct electricity.

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