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Chemistry Monday, October 24, 2016

Do-Now: Quantum Number WS 1.  Take out your 5.1 B Notes from Thurs/Fri (it

was a WS, not Cornell) 2. Make sure you picked up the worksheet

from the front 3.  Complete the worksheet independently or

with one partner (if working quietly) Take out your planner and ToC

Announcements • Completeretakes• Clearmissingwork• CurrentUnit:

– Ch.5,6,8• Quiz/LabthisweekJ

Planner: •  Finish WS + Read 5.2 • Quiz/Lab Thurs/Fri •  Stamps by the end of the week

Table of Contents #2: 21. Quantum Number WS

CW • FinishWS+Study

Chemistry Tuesday, October 25 – Wednesday, October

26, 2016

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Do-Now: “5.2 Cornell Notes” 1. Write down today’s do-now 2. What are our four types of orbitals? 3.  How many orientations does each type of

orbital have? 4.  How many electrons can each orbital hold? 5.  How many TOTAL electrons can the 3rd

energy level hold (n = 3) 6.  Explain what “3d” means. 7.  How many electrons can there be in 3d?

Take out your planner and ToC

Announcements • Mustclearmissingwork• AHendtutoring• CurrentUnit:

– Ch.5,6,8• Studyforyourquiz• Haveyourperiodictablehandyfortoday’slesson

Planner: •  Quiz à Monday •  ToC à Wednesday •  Lab next class J Hair ties and closed-toed

shoes mandatory •  Finish packet and get stamped

Table of Contents #2: 21. Quantum Number WS 22.  5.2 Cornell Notes 23. Ch. 5 Electron Packet

FLT •  I will be able to express the arrangements

of e-s in atoms through electron configurations by completing 5.2 Notes

Standard HS-PS1-1:Usetheperiodictableasamodeltopredicttherela<veproper<esofelementsbasedonthepa@ernsofelectronsintheoutermostenergylevelofatoms.

Notes Protocol • Add assignment # • Copy down all bolded ideas • Noise level 0 • Raise hand to question/comment • Be prepared to pair-share-respond

5.2: Electron Arrangement in Atoms

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Recall

Quantum Model

Quantum Numbers Orbitals

Electron Configurations

Arrangement of Electrons in Atoms •  Levels(n)

•  Sublevels(l )

•  Orbitals(ml )

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Energy Levels

n=1

n=2

n=3n=4

Arrangement of Electrons in Atoms •  ElectronconfiguraUon=arrangementofe-sinatoms

Arrangement of Electrons in Atoms •  e-sassumeanarrangementthatgivestheatomthelowestenergypossible(morestable)

Arrangement of Electrons in Atoms • Whatdoesthislooklike?

Electron Configurations

2p4 EnergyLevel

Sublevel

Numberofelectronsinthesublevel

1s22s22p63s23p64s23d104p65s24d105p66s24f14…etc.

Arrangement of Electrons in Atoms • Whatdoesthislooklike?

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Three Principles

Three Principles •  AuYauPrinciple=e-soccupythelowestEorbitalavailable.

•  Usethediagonalrule

Diagonal Rule s

s3p3d

s2p

s4p4d4f

s5p5d5f5g?

s6p6d6f6g?6h?

s7p7d7f7g?7h?7i?

1

2

3

4

5

6

7

Three Principles •  PauliExclusionPrinciple=Nomorethantwoe-scanoccupyasingleorbital

• Wenotethisusingarrowsinoppositedirec<ons

Three Principles •  Hund’sRule=Fillinsinglee-sinseparateequal-energyorbitalsbeforedoublingup

In Summary: Our Rules

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Rules 1)Determinethe#ofe-sbylookingupZ(atomicnumber)•  Assumetheatomisneutralunlessstatedotherwise.Draworbitalsfirsttohelpyou.

•  Ex/Nitrogen

Rules 2)StartfillingorbitalsinorderofincreasingEaccordingtotheAuYauPrinciple.•  Asingleorbitalcanholdamaxof2e-s

OrbitalType NumberofOrbitals

s 1p 3d 5f 7

Rules 3)Hund’sRuleApplies:Drawallorbitalsforeachtype,andfillinONEe-ineachorbitalbeforedoublingup.

Rules 4)PauliExclusionapplies:Twoe-sinthesameorbitalmusthaveoppositespins

Rules 5)Doublechecknumbers.•  Makesuretotal#ofe-sinyourconfigura<onmatchestheatomicnumber(ifyouratomisneutral)

Orbitals and the Periodic Table

•  Orbitalsgroupedins,p,d,andforbitals

sorbitals

porbitalsdorbitals

forbitals

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Examples

Write the orbital notation and e- configuration for… •  Hydrogen

Write the orbital notation and e- configuration for… •  Fluorine

Write the orbital notation and e- configuration for… •  Magnesium

Write the orbital notation and e- configuration for… •  Neon

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Write the orbital notation and e- configuration for… •  Arsenic

Orbitals and the Periodic Table

•  Orbitalsgroupedins,p,d,andforbitals

sorbitals

porbitalsdorbitals

forbitals

Shorthand Notation

Shorthand Notation

•  Wecanabbreviateourlonge-configura<onsbyusingournoblegases

•  ThisisbecauseourNobleGaseshavecompletefullporbitals– Note:onlydothiswhenaskedto

Shorthand Notation 1.   Findtheclosestnoblegastoyouratomwitha

smallerZ2.   Add/fillorbitalsfromwheretheNobleGasleg

off

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Shorthand Notation •  Ex/Na

Shorthand Notation •  Try:•  Cl

•  Ca

CW 1. Complete the electron configuration/

orbital notation worksheet

2. Check your answers with your pair-share partner(s)

3.  Skip the following sections:

Chemistry Thursday, October 27-Friday, October 28,

2016

Do-Now: “Quantum Kahoot” 1. Write down today’s FLT 2. Write down the orbital notation for Calcium 3. Write down the electron configuration for

Calcium 4. Write down the shorthand notation for

Calcium 5.  List the three rules we need to follow in

order to write out electron configurations. 6. Write down your initials if you’re playing with

your phone, or number 1-25. Take out your planner and ToC

Announcements • Mustclearmissingwork• AHendtutoring• CurrentUnit:

– Ch.5,6,8• QuizMondayJ• LabtodayJ

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Planner: •  Study for quiz + ToC due Wed •  Lab (w/ post-lab) due by Friday •  Schedule tutoring/retakes

Table of Contents #2: 24. Quantum Kahoot Do-Now

FLT •  I will be able to determine the identify

of compounds based on their chemical properties by completing Photon Lab

Standard HS-PS1-1:Usetheperiodictableasamodeltopredicttherela<veproper<esofelementsbasedonthepa@ernsofelectronsintheoutermostenergylevelofatoms.

Bunsen Burner Safety • WewillwatchavideotoreviewBunsenBurnersafety

• FailuretofollowthesesafetyruleswillresultinazeroandinabilitytoparUcipateinthelab

Let’s Recap • HairmustbeUedback• GogglesmustbewornatallUmes• Useglovesifhandlingthechemicals

• Washhandsthoroughlyagerlab

Photon Lab • WewillobservetheproperUesofcompoundsbyconducUngaflametest.FromourobservaUons,wewilldeterminetheidenUtyofthecompound.

•  Itisworth10labpoints.•  Youwillfilloutthelabpacket.•  Then,youwillaHachawriHenreportthatincludesthelabpurposeandconclusion(results,dataanalysis,possibleerror)

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Photon Lab 1.   AtyourstaUon,youwilldipthe

splint/wireintotheprovidedcontainerholdingthecompoundmakingsurethatafewgrainssUcktothesplint

2.   PlaceintoBunsenburnerflameandrecordthecolorthatisaddedtotheflame

Photon Lab 3.   Placecompletelyusedsplints

intothewastebeakerORrinseoffwires

4.   GogglesmustremainonatallUmes

5.   YouwillhavetwominutesateachstaUon

CW • Completelabpacket

– Usecompletesentences• Workonpost-labreport

– LabPurpose(2-4sentences)– Conclusion

• Listresults• Analyzedata• Whatwerepossibleerrors?

• ToC