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Ionic Compound Formulas for Chlorine: Electron Configuration, Valence Electrons, and Bonding

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  1. Section 2: Finding Ionic Compound Formulas (chapter 9)

  2. Quiz: Find the following for Chlorine (3pts each) • Write the electron configuration. • Draw the atom with the correct energy levels and electrons 3) How many valance electrons does it have? 4) How many electrons will this atom gain or lose in a reaction? 5) What type of charge will this atom have while in ionic bonding? 6) What is the oxidation state?

  3. Review: Forming Ionic Compounds http://www.youtube.com/watch?v=Mx5JJWI2aaw&safe=active

  4. Formula Unit: Simplest ratio of elements in a crystalline structure

  5. Find the formula for the following ionic compounds: Mg and Cl Mg and O

  6. Practice Problems Na and N Ca and O

  7. Ionic Compounds with Transition Metals Fe (III) and P Co(II) and O

  8. Mixed Problems • Be and Br 3) Sr and F • Ni(II) and S 4) Mn(IV) and O

  9. Polyatomic Ions: Group of covalently bonded atoms that have a charge. Nitrite NO2- Nitrate NO3-

  10. Finding the unit and naming: Ca & ClO3 Fe(III) & OH

  11. More Sample Problems: Find the formula and name Sr & CO3 Ni(II) & H2PO4

  12. Hydrates: Ionic compounds that attract and hold water

  13. Chem Warm-up: Find the mass of 50 moles of Iron(III) Sulfate

  14. Extra Ideas: • Show the class the metallic bonding video that compares ionic to metallic • Rocket Fuel Video: http://www.youtube.com/watch?v=EKlalxp7WrE&feature=related&safe=active

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