1. Which of the following sets of quantum numbers is allowed for an electron in a one electron
atom?
a. n=4,
l
=3, m=3, m
s
=0
b. n=3,
l
=1, m=2, m
s
= –1/2
c. n=2,
l
=0, m=1, m
s
=1/2
d. n=2,
l
=3, m=3, m
s
=1/2
e. n=6,
l
=5, m= –3, m
s
= –1/2
2. Which of the following are possible quantum numbers for a 3d wave function in a hydrogen
atom?
a. n=2
l
=3 m=3
b. n=3
l
=0 m=0
c. n=3
l
=3 m= –2
d. n=3
l
=2 m= –1
e. none of the above
3. How many radial and angular nodes does a 4p orbital for a one electron atom have?
a. 3 radial, 1 angular
b. 2 radial, 2 angular
c. 2 radial, 1 angular
d. 2 radial, 0 angular
e. 1 radial, 1 angular
4. How many possible sets of quantum numbers (n,
l
, m, m
s
) are there with n=4?
a. 1
b. 4
c. 8
d. 16
e. 32
5. The most probable distance for an electron in a 1s wavefuction in a hydrogen-like atom is at
a distance equal to a
o
/Z. Given this information you would predict that Li
2
+
would be
a. 2 times larger than hydrogen
b. 2 times smaller than hydrogen
c. 3 times larger than hydrogen
d. 3 times smaller than hydrogen
e. no way to guess exactly due to shielding effects
6. The ground state 1s electron in which atom has an average distance closest to the nucleus?
a. H