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Chapter 6 Predicting Outer Electron Configurations Part 2
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© 1998 by Harcourt Brace & Company s = period p = period d = (period-1) f (period-2) 6767 Periodic Table and Electron Configuration 12345671234567 6767
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12345671234567 6767
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Abbreviated Electron Configurations: “A Shortcut”
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© 1998 by Harcourt Brace & Company 6767 Write the electron configuration for lead (Z = 82) using the periodic table. O
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[Ar]4s 2 3d 10 4p 2 C. Periodic Patterns Example – Germanium (Z = 32)
![[Ar]4s 2 3d 10 4p 2 C. Periodic Patterns Example – Germanium (Z = 32)](http://images.slideplayer.com/28/9288771/slides/slide_14.jpg "[Ar]4s 2 3d 10 4p 2 C. Periodic Patterns Example – Germanium (Z = 32)")
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Write the electron configurations. 20 Ca 94 Pu 77 Ir
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Write the electron configurations. 20 Ca = [Ar]4s 2 94 Pu = [Rn]7s 2 5f 6 77 Ir = [Xe]6s 2 4f 14 5d 7
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Homework – Due Tomorrow Worksheet : Predicting electron configurations Make sure you use the periodic table suggested for your assignment or your answers may vary slightly.
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