Do Now Which compound is ionic?

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Presentation transcript:

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

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

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

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

New Skill: Writing Ionic Formulae

Lewis Structures III: The Return II

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

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

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

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