Department of Chemistry
and Physics
|
Department of Chemistry and Physics |
| CHEM1013 |
Exam 4
|
1. Write the complete electronic configuration for each of the following: (10 points)
a) F
b) Es
c) Pd
d) Cu
e) As
2. Give the number of valence electrons for each of the elements in question 1. (5 points)
a) F
b) Es
c) Pd
d) Cu
e) As
3. Draw the complete energy level diagram for Ti + 2 and describe its magnetic properties. (8 points)
4. Give a possible set of quantum numbers for the 8th, 26th and 64th electrons in Lr. (12 points)
8th -
26th -
64th -
5. Classify each of the following elements (based on their electronic configuration). (4 points)
Am - Ru -
C - Sn -
6. Draw the expected orbital for each of the following sets of quantum numbers. (6 points)
3,1,0,-½ 7,2,0,+½
7. State Hund’s Rule. (4 points)
8. List the types of quantum numbers, what each of them represent and the possible values for each. Be specific. (15 points)
9. Which would have the larger ionization energy, Li or Fr? Why? (4 points)
10. Which would be larger, Cu or Cu + 2? Why? (4 points)
11. State the Pauli Exclusion Principle. (4 points)
12. Describe what information was obtained from Rutherford’s experiment when he bombarded gold foil with alpha particles. (6 points)
13. What did Schrodinger contribute to the understanding of atomic and electronic structure? (4 points)
14. What information was gained from the Gerlach-Stern experiment? (4 points)
15. Define electron affinity. (4 points)
16. Fill in the blank with the scientist associated with each of the following: (6 points)
a) discovered electrons __________________________
b) studied the emission spectrum of H in the visible region of light _________________
c) dual nature of the electron _____________________
d) equation to predict the line spectra of H _____________________
e) charge and mass of electron _______________________
f) discovered neutrons _______________________