Name ________________________________________ Date ________________ Period ____
Quantum Numbers
1. If n = 2, what are the values for l and ml? Where are these elements located on the periodic
table?
2. How many electrons could the forth energy level, n = 4 contain?
3. If l = 3, what would the value of n have to be at the very least? How many orbitals are in
each l = 3 sublevel?
4. Which of the following sets of quantum numbers is not possible? Explain what is incorrect
or impossible about each set.
a. n = 3 , l =3 , ml = -2, -1, 0, 1, 2
b. n = 4 , l = 0, ml = -1, 0, 1
c. n = 5 , l = 1 ml = -3, -2, -1, 0, 1, 2, 3
5. How many total electrons are present in the ml orbitals if n = 4?
6. How many total orbitals are present in the l sublevels between n =1 up to n = 5?
7. How many total orbitals fit the description n = 4, ml = -1?