Electron Configuration Worksheet Pre-AP
Name:____________________________________
1. Identify and define the four quantum numbers for an electron below.
a.
b.
c.
d
2. Calculate the maximum number of electrons for the following energy levels.
a. n= 4
b. n=7
3. If an electron moves from n=2 to n=5 has the electron absorbed or emitted a photon?
Explain.
4. Circle the electron movement below that emits (releases) a photon of greatest energy.
a. n= 1 to n=3
b. n=3 to n=1
c. n=2 to n=6
d. n=6 to n=2
5.
Identify the sublevels (types of orbitals)possible on each energy level below:
a. n=1
b. n=3
c. n=6
6. Identify the possible orientations for each orbital below:
a. s-oribtal
b. p-oribtal
c. d-oribtal
d. f-orbital
7.
What is electron configuration for an element?
8. Listed below are the three rules that scientists follow when determining electron
configuration of an atom. Define each rule below.
a. Pauli Exclusion Principle:
b. Aufbau Principle:
c.
Hund’s Rule:
9. Determine the electron configuration of each atom below. Do not forget to include orbital
notation.
a. N:
b.
Fe:
c.
Br:
d. Xe
e. Au
10. How many unpaired electrons does each element above have?
a. N
b.
Fe
c. Br
d. Xe
e. Au