Question
Fri June 22, 2012 By: Shalini
 

whats pricipal quantum number, azimuthal quantum no ,magnetic orbital quantum no ???? and what is spin electron ??how is it related in filling of orbitals by electrons??

Expert Reply
Sat June 23, 2012
Principal quantum number (n)gives following information about an electron in an atom
1. In which shell an electron preasent. if n= 1 , electron present in K -shell
2. The energy of an electron E = -1312 /n2kJ
3. The radius of orbit/shell = r =0.59n2
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