Dr. Herrick's CH221
Pressure Quiz 7

     

 

    

Many-electron atoms:  periodicity
Copyright D. Herrick

 

20 Questions from past exams.
Practice for speed.  Aim for 2 minutes per problem.  

 

  

1. Z for the atom with the electron configuration 1s22s22p4 is
A) 10 B)  8   C)  6   D)  12 E)  7 

     

2. The number of electrons in the configuration 1s22s22p63s23p5 is
A)  13 B)  12 C)  17  D)  15 E)  5 

     

3. How many electrons can occupy orbitals in the 3p subshell?
A)  6 B)  15   C)  12  D)  3   E)  18  

 

4. How many electrons occupy f-orbitals in the ground state configuration of the radon atom?
A)  0 B)  14 C)  21  D)  28   E)  7 

    

5. The correct order-of-fill for subshells in neutral atoms is    
A)  1s2s3s2p3p3d4d
B)  1s2s2p3s3p3d4s4p4d
C)  1s2s2p3s3d3p4s4d4p
D)  1s2s2p3s3p4s3d4p
E)  1s2s2p3s3p4s4p3d

   

6. The number of parallel unpaired spins in N is
A)  0 B)  1 C)  2 D)  3 E) 4

  

7. How many electrons occupy p-orbitals in the ground state of the tin atom?
A)  8 B)  20   C)  2   D)  18  E)  50 

                          

8. The halogen atoms have valence configurations
A) ns1 B)  ns2np5 C) ns2np3 D) ns2np2 E) ns2np6

      

    

9. How many electrons occupy s-orbitals in the ground state of the cesium atom?
A)  10 B)  13  C)  6   D)  11   E)  12

    

10. The number of "p" electrons in the ground state of the chlorine atom is
A)  12 B)  5  C)  10   D)  13   E)  11 

 

11. The number of "d" electrons in the ground state of the xenon atom is 
A)  54 B)  10  C)  15 D)  20   E)  26  

   

12. Assuming the same order of fill for ions and neutral atoms, which does NOT have the electron configuration 1s22s22p3 in its ground state?
A)  N  B)  F2+  C)  Na4+ D)  O+ E)  B-

  

13. Which element has the outer configuration  -4s13d10?
A)  Zn B)  Zr C)  Cu D)  Ag E)  Ni

   

14. How many electrons in the ground state of the krypton atom occupy orbitals that have the magnetic quantum number m = 2?
A)  5 B)  9 C)  2 D)  10 E)  4

 

15. The number of "f" electrons in the ground state of the bismuth atom is 
A)  14  B)  30 C)  18  D)  12 E)  0

   

16. Which atom contains twelve electrons in p-orbitals in its ground state configuration?
A)  Ne B)  Cl C)  Kr  D)  K E)  Mg 

   

17. How many electrons occupy 4d orbitals in the ground state of the bromine atom?
A)  0 B)  1  C)  5  D)  10  E) 17

     

18. The total number of electrons in the atom which has the valence electron configuration  -6s26p3  is
A)  5  B)  83  C)  52  D)  115   E)  51    

  

19. What fraction of the electrons in the ground state of lead are in d-orbitals?

A) 0.37

B) 0.26  C) 0.52 D) 0.60 E) 0.72

  

20. What is the electron configuration of the ground state of the Oxygen-18 atom?
A) 1s22s22p4
B) 1s22s22p8
C) 1s22s22p5
D) 1s22s22p2
E)   1s22s22p6

          

 


 

 

   Copyright D. Herrick