Electron Configuration Practice Worksheet

 

In the space below, write the unabbreviated electron configurations of the following elements:

 

1)                 sodium            ________________________________________________

 

2)         iron                  ________________________________________________

 

3)            bromine             ________________________________________________

 

4)         barium             ________________________________________________

 

5)            neptunium             ________________________________________________

 

In the space below, write the abbreviated electron configurations of the following elements:

 

6)         cobalt              ________________________________________________

 

7)         silver               ________________________________________________

 

8)            tellurium            ________________________________________________

 

9)         radium            ________________________________________________

 

10)            lawrencium            ________________________________________________

 

Determine what elements are denoted by the following electron configurations:

 

11)             1s22s22p63s23p4  ____________________

 

12)             1s22s22p63s23p64s23d104p65s1  ____________________

 

13)             [Kr] 5s24d105p3  ____________________

 

14)             [Xe] 6s24f145d6  ____________________

 

15)             [Rn]  7s25f11  ____________________

 

Determine which of the following electron configurations are not valid:

 

16)             1s22s22p63s23p64s24d104p5 ____________________

 

17)             1s22s22p63s33d5  ____________________

 

18)             [Ra] 7s25f8  ____________________

 

19)             [Kr]  5s24d105p5 ____________________

 

[Xe]  ____________________