1. 1 Orbital Diagrams Use individual orbitals Give subshell arrangement Each orbital takes one electron before any other orbital in the same subshell can receive a second electron

2. 2 Orbital Diagram for A Nitrogen Atom 1s 2 2s 2 2p 3 1s 2s 2p  

3. 3 Orbital Diagram for A Fluorine Atom 1s 2 2s 2 2p 5 1s 2s 2p  

4. 4 Orbital Diagram for A Magnesium Atom 1s 2 2s 2 2p 6 3s 2 1s 2s 2p 3s 

5. 5 Learning Check Write the orbital diagram for the electrons in an oxygen atom.

6. 6 Solution Write the orbital diagram for the electrons in an oxygen atom. 1s 2 2s 2 2p 4 1s 2s 2p   

7. 7 Learning Check 2 Write the orbital diagram for the electrons in an iron atom.

8. Iron 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 6 8

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12. Orbital Diagrams: HOT or NOT? 12

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15. All Good Things Must Come to... The End 15