CHEM 201 - 10.3.07

CHEM 201 - 10.3.07 - 2 2p 6 Z eff = 9 – 2 = 7 • F-is...

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CHEM 201 – October 3, 2007 Ions o Main group metals donate electrons Na: [Ne]3s 1 Z eff = 11 – 10 = 1 Na + : [Ne] Z eff = 11 – 2 = 9 Mg: [Ne]3s 2 Z eff = 12 – 10 = 2 Mg 2+ : [Ne] Z eff = 12 – 2 = 10 Mg 2+ is smaller than Na + o Right Side of Periodic table F: [He]2s 2 2p 5 Z eff = 9 – 2 = 7 F - : [He]2s
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Unformatted text preview: 2 2p 6 Z eff = 9 – 2 = 7 • F-is larger than F Mg: [Ne]3s 2 Z eff = 12 – 10 = 2 Mg 2+ : [Ne] Z eff = 12 – 2 = 10 Paramagnetic o Attracted into a magnetic field Dimagnetic o Weakly repelled by a magnetic field...
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