image of hydrogen line spectrum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantum Numbers

 Quantum Number

Symbol

Characteristic specified

Information provided

 Possible values

Principle quantum number

n

Shell

Average distance from nucleus (r)

1, 2, 3, 4, ...

 Angular momentum (Azimuthal) quantum number

Subshell

Shape of orbital

0 (s), 1 (p), 2 (d), 3 (f), ...n - 1

 Magnetic quantum number

 ml

Orbital

Orientation of orbital

- l ... 0 ... +l

Spin quantum number

 ms

Electron spin

 Spin direction

± 1/2

 

 

 

© R A Paselk 2009

Last modified 23 March 2015