Class notes CHEM 121: Chapter 5

Chapter 5: Electronic Structure of
atoms and ions




10/14/2022

, Electronic stricture of atoms and ions

Atomic orbital: it is a type of wave function as well,



-1 ← electron
>
Zt r
=
distance between nucleus
and electron


↑
nucleus


Coulomb 's Law


Vlr ) ✗ 9192
r

rlv) : potential energy
:
charge of particle one
q,
of particle two
92
:
charge
✗ :
approximate


rewritten as i




V11 ) ✗
} C- 1) (2)
-



=

r




will ALWAYS
potential energy be a
negative number

( in this course)


-
thus the higher your r the smaller your
potential energy
( small r values are ideal )




I