Writing Electron Configurations Using Core Notation Part 1 Introducing Core Notations.

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Presentation transcript:

Writing Electron Configurations Using Core Notation Part 1 Introducing Core Notations

Writing Electron Configurations Using Core Notation Part 1 Introducing Core Notations

Energy  Ne

Energy  Noble Gas Ne (10 e – ) Ne

Energy       Noble Gas Ne (10 e – ) Ne

Energy       Noble Gas Ne (10 e – ) 1s 2 2s 2 2p 6 Ne

Energy  Na Ne

Energy  Na (11 e – ) Ne

Energy   Na (11 e – )      Ne

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1      Ne

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne 

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne 

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Outer Configuration

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Outer Configuration

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Outer Configuration

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) 1s 2 2s 2 2p 6 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) [Ne] 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) [Ne] 3s 1     Ne  The Noble Gas Core

Energy   Na (11 e – ) [Ne] 3s 1     Ne 

Energy   Na (11 e – ) [Ne] 3s 1     Ne  The Noble Gas Core Configuration for Na

Energy   Na (11 e – ) [Ne] 3s 1     Ne  Core The Noble Gas Core Configuration for Na

Energy   Na (11 e – ) [Ne] 3s 1     Ne  Outer configuration

Energy   Na (11 e – ) [Ne] 3s 1     Ne  valence electrons

Energy   Na (11 e – ) [Ne] 3s 1     Ne  1 valence electron

Energy   Na (11 e – ) [Ne] 3s 1     Ne  1 valence electron

Ne (10 e – )

Ne (10 e – ) 1s 2 2s 2 2p 6

Na (11 e – )

Na (11 e – ) [Ne] 3s 1

3s 1

Mg (12 e – )

Energy   Mg (12 e – )     Ne 

Energy   Mg (12 e – ) 1s 2 2s 2 2p 6 3s 2     Ne 

Energy   Mg (12 e – ) 1s 2 2s 2 2p 6 3s 2     Ne  The Noble Gas Core

Energy   Mg (12 e – ) 1s 2 2s 2 2p 6 3s 2     Ne  The Noble Gas Core

Energy   Mg (12 e – ) [Ne] 3s 2     Ne  The Noble Gas Core

Energy   Mg (12 e – ) [Ne] 3s 2     Ne  The Outer Configuration

Mg (12 e – ) [Ne] 3s 2

3s 2

3s 1

3s 2 3s 1

3s 2 3s 1

Energy   Al (13 e – )     Ne  

Energy   Al (13 e – ) 1s 2 2s 2 2p 6 3s 2 3p 1     Ne  

Energy   Al (13 e – ) 1s 2 2s 2 2p 6 3s 2 3p 1     Ne   The Noble Gas Core

Energy   Al (13 e – ) [Ne] 3s 2 3p 1     Ne   The Noble Gas Core

Energy   Al (13 e – ) [Ne] 3s 2 3p 1     Ne   The Outer Configuration

3s 2 3s 1 Al (13 e – ) [Ne] 3s 2 3p 1 Core

3s 2 3s 1 3s 2 3p 1 Al (13 e – ) [Ne] 3s 2 3p 1 Outer configuration

Energy   Si (14 e – ) [Ne] 3s 2 3p 2     Ne   The Outer Configuration 

3s 2 3s 1 3s 2 3p 2 Si (14 e – ) [Ne] 3s 2 3p 2 Outer configuration

Energy   P (15 e – ) [Ne] 3s 2 3p 3     Ne   The Outer Configuration 

3s 2 3s 1 3s 2 3p 3 Si (14 e – ) [Ne] 3s 2 3p 2 Outer configuration

Energy   Ar (18 e – ) [Ne] 3s 2 3p 6     Ne   The Outer Configuration  

3s 2 3s 1 3s 2 3p 6 Ar (18 e – ) [Ne] 3s 2 3p 6 Outer configuration

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p Just the ending of the configuration

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p Just the ending of the configuration

Writing Electron Configurations Using Core Notation Part 2 Writing a Core Notation Using the Periodic Table

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p Cl (17 e – ) [Ne]

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 What is the core notation for chlorine?

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl What is the core configuration for chlorine?

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) What is the core configuration for chlorine?

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) What is the core configuration for chlorine?

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) [Ne] 10 e –

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) [Ne] 3s 2 10 e – 2 e –

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) [Ne] 3s 2 10 e – 2 e – 5 e –

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) [Ne] 3s 2 3p 5 5 e – 10 e – 2 e –

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 Cl (17 e – ) [Ne] 3s 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p N (7 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p N (7 e – ) [He]

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p N (7 e – ) [He] 2s 2

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p N (7 e – ) [He] 2s 2 2p 3

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1

Fill up the 3d orbitals

Fill up the 3d orbitals d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4 ns 1 & ns 2

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4 ns 1 & ns 2 np 1 to np 6

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4 ns 1 & ns 2 np 1 to np 6 (n-1)d 1 to (n-1)d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4 4s 1 & 4s 2 4p 1 to 4p 6

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4 3d 1 to 3d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 5 (n-1)d 1 to (n-1)d 10 ns 1 & ns 2 np 1 to np 6 5

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 5 5s 1 & 5s 2 5 5s 2 5s 1

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 5 5p 1 to 5p 6 5 5s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 5 4d 1 to 4d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10

Period 4

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4

Period 4

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4

Period 4

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 4

Period 5

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d 10 n = 5 5 5s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar]

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 4s 2

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 4s 2 3d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 4s 2 3d 10 4p 3

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 4s 2 3d 10 4p 3

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 3d 10 4s 2 4p 3

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 3d 10 4s 2 4p 3

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 As (33 e – ) [Ar] 4s 2 3d 10 4p 3 As (33 e – ) [Ar] 3d 10 4s 2 4p 3 Both of these are correct notations

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – )

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr]

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 2

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 2 4d 9

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 2 4d 9

Period 5              

             

             

              

              

               Ag (47 e – ) [Kr] 5s 2 4d 9

Period 5                Ag (47 e – ) [Kr] 5s 1 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 1 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 1 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 1 4d 10

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 4d 10 5s 1

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10 Ag (47 e – ) [Kr] 5s 1 4d 10 Ag (47 e – ) [Kr] 4d 10 5s 1 Both of these are correct notations

Writing Electron Configurations Using Core Notation Part 3 Core Notations for Heavier Elements

3s 2 3s 1 3p 6 3p 5 3p 4 3p 3 3p 2 3p 1 2s 2 2s 1 2p 6 2p 5 2p 4 2p 3 2p 2 2p s 2 4s 1 4p 6 4p 5 4p 4 4p 3 4p 2 4p 1 3d 6 3d 5 3d 4 3d 3 3d 2 3d 1 3d 7 3d 8 3d 9 3d s 2 5s 1 5p 6 5p 5 5p 4 5p 3 5p 2 5p 1 4d 6 4d 5 4d 4 4d 3 4d 2 4d 1 4d 7 4d 8 4d 9 4d 10

4f orbitals

Lanthanides

5f orbitals

Actinides

Lanthanides

Actinides Lanthanides

5 6 7

5 6 7 Pb (82 e – )

5 6 7

5 6 7

5 6 7 Pb (82 e – ) [Xe]

5 6 7 Pb (82 e – ) [Xe] 6s 2

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 4f orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 4f orbitals 54

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 4f orbitals 54+ 2

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 4f orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 4f orbitals = 70 e –

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 d orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 5d orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 5d orbitals = 80 e –

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p orbitals

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p orbitals 6p 2

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p 2 6p orbitals 6p 2

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p = 82 e –

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p = 82 e –

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p 2

5 6 7

5 6 7

5 6 7 Pb (82 e – ) [Xe] 4f 14 5d 10 6s 2 6p 2

5 6 7 Pb (82 e – ) [Xe] 6s 2 4f 14 5d 10 6p 2 Pb (82 e – ) [Xe] 4f 14 5d 10 6s 2 6p 2 Both of these are correct notations