Rules for Electronic Configurations

Rules for Electronic Configurations -...

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Unformatted text preview: Rules
for
Electron
Configura2ons 
 Pauli
Exclusion
Principle
no
two
electrons
on
the
same
 atom
can
have
the
same
set
of
4
quantum
numbers
(3
 quantum
numbers
describe
the
shell,
sub‐shell
and
 orbital
the
4th
is
spin
up
or
down)
 Au@au
principle
–
fill
the
lowest
energy
orbitals
first
 then
move
up
to
the
next
lowest
energy
 Hund
Principle
–
when
filling
degenerate
orbitals
put
 one
electron
in
each
with
parallel
spin
before
adding
a
 second
to
any
 ...
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This note was uploaded on 03/09/2010 for the course CHEM 53125 taught by Professor Shear during the Spring '10 term at University of Texas-Tyler.

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