bellringer :
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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Bellringer:Draw the orbital diagram for:
Oxygen
Aluminum
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3 Rules
• Aufbau• Pauli Exclusion• Hund’s
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ObjectiveSWBAT write the electron configuration
of elements on the periodic table in longhand and shorthand notation.
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Orbital 1: Holds 2 electrons
Orbital 2: Holds 8 electrons
Has 2 sublevels
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Each additional orbital has another set of sub-orbitals
Sub
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ClarificationQuantum number (n)
Number of arrows!
To find the # of boxes for each sublevel, divide the # of e- by2
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Aufbau Diagram for Fluorine
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Longhand (Standard) Notation of Fluorine
Main Energy
Level
Numbers
1, 2, 2Sublevels
Number of electrons in the sub level 2,2,5
1s2 2s2 2p5
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Aufbau Diagram for Helium
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Longhand notation
Helium•1s2
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Aufbau Diagram for Boron
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Longhand Notation
Write the Longhand
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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
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Blocks in the Periodic Table NOBLE GASSES!
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Example: Oxygen
Longhand: 1s22s22p4
Shorthand: [He]2s22p4
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Guided Practice: Aluminum
Longhand: 1s22s22p63s23p1Shorthand: [Ne]3s23p1
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Practice: Silicon
Longhand: 1s22s22p63s23p2Shorthand: [Ne]3s23p2
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Practice: Sulfur
Longhand: 1s22s22p63s23p4Shorthand: [Ne]3s23p4
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Homework
• Complete the worksheet!• Due Tuesday!