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Do Now

Do Now. Which compound is ionic? HCl CaCl 2 SO 2 N 2 O. In which compound have electrons been transferred to the oxygen atom? CO 2 NO 2 N 2 O Na 2 O. Ionic Bonding. Williamsburg High School for Architecture and Design Mr. Quinn and Ms. Tom 11/13/13. Aim.

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Do Now

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  1. Do Now • Which compound is ionic? • HCl • CaCl2 • SO2 • N2O • In which compound have electrons been transferred to the oxygen atom? • CO2 • NO2 • N2O • Na2O

  2. Ionic Bonding Williamsburg High School for Architecture and Design Mr. Quinn and Ms. Tom 11/13/13

  3. Aim • What happens if an atom steals or loses electrons from two ions?

  4. From Yesterday… • Losing an electron grants a +1 charge • Gaining an electron grants a -1 charge

  5. New Skill: Writing Ionic Formulae

  6. Lewis Structures III: The Return II

  7. A&D vs. Regents, Round 1 • Compared to a calcium atom, the calcium ion Ca2+ has • more protons • fewer protons • more electrons • fewer electrons

  8. A&D vs. Regents, Round 2 • What is the correct Lewis electron-dot structure for the compound magnesium fluoride?

  9. A&D vs. Regents, Round 3 • Element X reacts with chlorine to form an ionic compound that has the formula XCl2. To which group on the Periodic Table could element X belong? • Group 1 • Group 2 • Group 13 • Group 15

  10. A&D vs. Regents, Round 4 • What is the correct Lewis electron-dot structure for the compound potassium oxide?

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