Chapter 6 Predicting Outer Electron Configurations Part 2.
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Transcript of Chapter 6 Predicting Outer Electron Configurations Part 2.
Chapter 6
Predicting Outer Electron Configurations
Part 2
© 1998 by Harcourt Brace & Company
s = periodp = period
d = (period-1)
f (period-2)67
Periodic Table and Electron Configuration
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Abbreviated Electron Configurations: “A Shortcut”
© 1998 by Harcourt Brace & Company
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Write the electron configuration for lead (Z = 82) using the periodic table.
O
Notes: Abbreviated Electron Configuations
82Pb has the following electron configuration: 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p2
Notes: Abbreviated Electron Configuations
82Pb has the following electron configuration: 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p2
54Xe has the following electron configuration: 1s22s22p63s23p64s23d104p65s24d105p6
[Ar] 4s2 3d10 4p2
C. Periodic Patterns
• Example – Germanium (Z = 32)
Write the electron configurations.20Ca
94Pu
77Ir
Write the electron configurations.
• 20Ca = [Ar]4s2
• 94Pu = [Rn]7s25f6
• 77Ir = [Xe]6s24f145d7
Homework
• Worksheet : Predicting electron configurations Make sure you use the periodic table
suggested for your assignment or your answers may vary slightly.