Starter 10/30Starter 10/30

Draw the atomic model for Draw the atomic model for Oxygen (O)Oxygen (O)

If you can’t remember how to draw a Bohr diagram, If you can’t remember how to draw a Bohr diagram, write down all the information you know about write down all the information you know about

oxygen based on the periodic tableoxygen based on the periodic table

Atomic StructureAtomic Structure

SublevelsSublevels

Draw the nucleus (label the pDraw the nucleus (label the p++ & n & n00)) Draw the correct # of electron levels Draw the correct # of electron levels

(# of electron levels = row #)(# of electron levels = row #) Fill in the correct # of eFill in the correct # of e-- (# of e (# of e-- in in

each level matches # of elements in each level matches # of elements in each row)each row)

Bohr DiagramsBohr Diagrams

Bohr Model PracticeBohr Model Practice

CalciumCalcium

SilverSilver

SublevelsSublevels

we can divide electron levels into we can divide electron levels into regions called regions called sublevelssublevels

sublevelsublevel maximum # of emaximum # of e--

ss 22

pp 66

dd 1010

ff 1414

2 - 1st energy level

8 - 2nd energy level

18 – 3rd energy level32 – 4th energy level

s block d block p blockf block

How many of each sublevel are filled How many of each sublevel are filled with:with: Chlorine’s electrons?Chlorine’s electrons?

3 s3 s

1.5 1.5 pp

0 d0 d

0 f0 f

How many of each sublevel are filled How many of each sublevel are filled with:with: Iodine’s electrons?Iodine’s electrons?

5 s5 s

3.5 3.5 pp

2 d2 d

0 f0 f

How many of each sublevel are filled How many of each sublevel are filled with:with: Calcium’s electrons?Calcium’s electrons?

4 s4 s

2 p2 p

0 d0 d

0 f0 f

OrbitalsOrbitals

each sublevel is broken into orbitalseach sublevel is broken into orbitals each orbital can hold a maximum of each orbital can hold a maximum of

2 electrons2 electrons

orbital-orbital- a 3D region around the a 3D region around the nucleus that has a high probability of nucleus that has a high probability of holding electronsholding electrons

Number of OrbitalsNumber of Orbitals

sublevelsublevel max # e-max # e- # # orbitalsorbitals

ss 22 11

pp 66 33

dd 1010 55

ff 1414 77

One s orbitalOne s orbital

sphericalspherical

Three p orbitalsThree p orbitals

dumbbell-shapeddumbbell-shaped

Five d orbitalsFive d orbitals

Seven f orbitalsSeven f orbitals

EnergyEnergy # of # of Types of Types of

Level Level Row #sRow #s Sublevels Sublevels SublevelsSublevels

11 1 1 1 1 s s

22 2 2 2 2 s,p s,p

33 3 3 3 3 s,p,d s,p,d

44 4 4 4 4 s,p,d,f s,p,d,f

55 5 5 5 5 s,p,d,f, s,p,d,f,gg

66 6 6 6 6 s,p,d,s,p,d,f,g,?f,g,?

77 7 7 7 7 s,p,s,p,d,f,g,?,?d,f,g,?,?

EnergEnergy y

LevelLevel

SublevelSublevelss

# #

OrbitalOrbitalss

Total Total OrbitalOrbital

ss

Total Total ElectronElectron

ss

11

22

33

44

EnergEnergy y

LevelLevel

SublevelSublevelss

# #

OrbitalOrbitalss

Total Total OrbitalOrbital

ss

Total Total ElectronElectron

ss

11 ss 11 11 22

22 ss 11 44 88

pp 33

33 ss 11 99 1818

pp 33

dd 55

44 ss 11 1616 3232

pp 33

dd 55

ff 77