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Bellringer :

Bellringer :. Draw the orbital diagram for: Oxygen Aluminum. 3 Rules. Aufbau Pauli Exclusion Hund’s. Objective. SWBAT write the electron configuration of elements on the periodic table in longhand and shorthand notation. . Orbital 2: Holds 8 electrons. Has 2 sublevels.

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Bellringer :

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  1. Bellringer: Draw the orbital diagram for: Oxygen Aluminum

  2. 3 Rules • Aufbau • Pauli Exclusion • Hund’s

  3. Objective SWBAT write the electron configuration of elements on the periodic table in longhand and shorthand notation.

  4. Orbital 2: Holds 8 electrons Has 2 sublevels Orbital 1: Holds 2 electrons

  5. Each additional orbital has another set of sub-orbitals Sub

  6. Clarification To find the # of boxes for each sublevel, divide the # of e- by2 Quantum number (n) Number of arrows!

  7. Aufbau Diagram for Fluorine

  8. Longhand (Standard) Notation of Fluorine Number of electrons in the sub level 2,2,5 1s22s22p5 Main Energy Level Numbers 1, 2, 2 Sublevels

  9. Aufbau Diagram for Helium

  10. Longhand notation Helium • 1s2

  11. Aufbau Diagram for Boron

  12. Longhand Notation Write the Longhand

  13. Shorthand (Noble Gas) Notation! • Almost the same as longhand notation EXCEPT: • Use the last noble gas that is located in the periodic table right before the element. • Write the symbol of the noble gas in brackets. • Write the remaining configuration after the brackets. • Ex: Fluorine: [He] 2s2 2p5

  14. NOBLE GASSES! Blocks in the Periodic Table

  15. Example: Oxygen Longhand: 1s22s22p4 Shorthand: [He]2s22p4

  16. Guided Practice: Aluminum Longhand: 1s22s22p63s23p1 Shorthand: [Ne]3s23p1

  17. Practice: Silicon Longhand: 1s22s22p63s23p2 Shorthand: [Ne]3s23p2

  18. Practice: Sulfur Longhand: 1s22s22p63s23p4 Shorthand: [Ne]3s23p4

  19. Homework • Complete the worksheet! • Due Tuesday!

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