Electromagnetism Worksheet #4
        Electron Configurations     Answers 
1.  
Within any given shell, how do the energies of the s, p, d, and f subshells compare?
 
 
 
2.    Within a subshell of "p", or "d" or "f" how to the energies of the orbitals compare?
 
 
 
 
3.    What is Pauli's Exclusion Principle?
 
 
 
 
 
4.     State Hund's Law.
 
 
 
 
5.     What is the Aufbrau Principle?
 
 
 
 
6.     How many unpaired electrons would be found in the ground state of
       (a)   Mg

       (b)   P

       (c)   K
 
 

7.     Give the electron configurations for each of the following:
       (a)   O

       (b)   F

       (c)   Al

       (d)   S

       (e)   Ar
 
 

8.     Predict the electron configurations for each of the following:
       (a)  Ge

       (b)  Cd

       (c)  Gd

       (d)  Sr
 
 

9.     Which of the above atoms in question 8 would be paramagnetic?
 
 

BONUS
10. If you can determine the electronic configuration of Uranium (Z = 92)