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Elements in the Same Group
• Elements in the same group have similar properties because they have similar electron configurations.
s = period # p = period #
d = (period# - 1)
f = (period# - 2)
Periodic Table and Electron Configuration
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© 1998 by Harcourt Brace & Company
s = periodp = period
d = (period-1)
f (period-2)67
Periodic Table and Electron Configuration
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© 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