Lecture notes Inorganic Chemistry I

ATOMICORBITALS
ELECTRONCLOUDSWherethere is
aprobabilityoranelectronbeing
at aspecificgivenpoint
DEFININGSHAPEOFORBITALS
42
RADIALDISTRIBUTIONFUNCTION
allows us to find an e at a
from the nucleus given radius
we canjudge thestrength of the attraction
of the nucleus to the electron
RepresentstheBohrradius
Thedistancefromthe
nucleuswherethe Is
electron is 4likelyto
be found
0 notthatsignificant
SURFACEAREAOFSPHERE
as wemoveout inradius
fromcentralatom
area ofwheree can be
in CMlb

afgrmapepirfffheapprorathneesrood.at




G versus r
mufT
s



probability of an e at a
specific radius
El versus r
nophysicalmeaning
versus r
probabilityof an e at
anygivenpoint
maximumprobability offinding
e r ola

, Twopeaks
oneclosertothenucleus
onewitha highere density
furtherfromthenucleus
AS n increases orbitalsize 9
Radialnodes
probabilityoffindinge 01
corresponds to n I e




Radialnodes wheretheprobability of
finding an electron 01 are SHOWNBY
THESEAREAS NODES


Pfannadudyfibre agree gieresm
oEana
wMn s


NODAL PLANES
separate 2phasesofan
orbital
IP RADIALNODES

TOCALCULATE OFNODES
c
TOTAL n z
of
n planes E
odal
ofradialnodes n ai e
3p