Honors Chemistry - Chapter 5 Review
Name: ___________________________
Section 5.1: Models of the Atom
1. How many sublevels are in the following principal energy levels? Which sublevels?
a. n = 1 _____________________
e. n = 5 _____________________
b. n = 2 _____________________
f. n = 6 _____________________
c. n = 3 _____________________
g. n = 7 _____________________
d. n = 4 _____________________
2. How many orbitals are in the following sublevels?
a. 1s sublevel ________
d. 4f sublevel ________
b. 2p sublevel ________
e. 5s sublevel ________
c. 3d sublevel ________
f. 6p sublevel ________
3. How many electrons can each of the following sublevels hold (maximum)?
a. s ______
c. d ______
b. p ______
d. f ______
4. What is the shape of an s sublevel orbital? ___________________
5. What is the shape of a p sublevel orbital? ___________________
6. What was the problem with Rutherford’s planetary model of the atom? __________________________
___________________________________________________________________________________
7. Bohr proposed that electrons were found in specific circular paths called ____________________.
8. What happens to the distance between energy levels as you increase in energy? ____________________
9. What does “electron cloud” mean? _______________________________________________________
___________________________________________________________________________________
10. How do electrons move from energy level to energy level? ____________________________________
Section 5.2: Electron Arrangement in Atoms
1. Electrons arrange themselves around the nucleus in order to make the most ____________ arrangement.
2. What are the three rules for writing electron configurations? Give the definition of each.
a. ______________________________________________________________________________
______________________________________________________________________________
b. ______________________________________________________________________________
______________________________________________________________________________
c. ______________________________________________________________________________
______________________________________________________________________________
Honors Chemistry - Chapter 5 Review
Name: ___________________________
3. Write the complete electron configuration for each of the following elements:
a. Hydrogen __________________
b. Vanadium ___________________________________________________________
c. Magnesium __________________________________________________________
d. Cesium ____________________________________________________________________
e. Arsenic ______________________________________________________________
4. Write the abbreviated electron configuration for each of the following elements:
a. Cesium __________________________________________________
b. Lithium __________________________________________________
c. Aluminum __________________________________________________
d. Silver __________________________________________________
e. Gallium __________________________________________________
5. Identify the elements below based on their electron configurations:
a. 1s22s22p63s23p5 _____________________________
b. 1s22s22p5 _____________________________
c. 1s22s22p63s23p64s23d104p65s24d105p5 _____________________________
6. Which elements are exceptions to the Aufbau Principle (Name 2): ______________________________
7. Explain why the actual electron configurations for some elements differ from those assigned using the
Aufbau principle. _____________________________________________________________________
____________________________________________________________________________________
8. True or False: The configuration 4s23d4 is more stable than the configuration 4s13d5. _____________
Honors Chemistry - Chapter 5 Review
Section 5.3: Physics and the Quantum Mechanical Model
Name: ___________________________
1. What is the frequency of radiation with a wavelength of 5.00 x 1015 m?
2. What is the energy of a photon with a frequency of 2.22 x 1014?
3. Suppose your favorite radio station broadcasts at a frequency of 1600 Hz. What is the wavelength of the
radiation?
4. Arrange the following types of electromagnetic radiation in order of increasing frequency based on the
chart below:
a. Infrared
d. Radio waves
b. Gamma rays
e. Microwaves
c. Visible light
f. Ultraviolet
5. Label the parts of the wave (4 parts):
Honors Chemistry - Chapter 5 Review
Name: ___________________________
6. What is the relationship between wavelength and frequency? What does this mean?
____________________________________________________________________________________
____________________________________________________________________________________
7. Einstein proposed that light is composed of particle-like quanta of energy known as _______________.
8. True or False: Heisenburg stated that the position and velocity of subatomic particles can be determined
with certainty. _____________