Name ____________________
Electron Configuration Review Sheet
1. Write the electron configuration of Iron.
a. In orbital notation
b. In shorthand notation
c. In noble gas notation
d. How many orbitals contain electrons?
e. How many orbitals are completely filled?
f. How many unpaired electrons are there in an iron atom?
g. In which sublevel are the unpaired electrons located?
2. Write the electron configuration of Tin.
a. In orbital notation
b. In shorthand notation
c. In noble gas notation
d. How many unpaired electrons are there in Tin?
e. In which sublevel are the unpaired electrons located?
3. Without using a periodic table, write the electron configuration in shorthand
notation for the following elements with the following atomic numbers.
a. Atomic # 15
b. Atomic # 25
c. Atomic # 35
d. Atomic # 45
e. Atomic #55
4. Give the symbol and name for the elements with the following electron
configurations.
a. 1s22s22p63s23p6
b. 1s22s22p63s23p63d104s24p64d75s1
c. 1s22s22p63s23p63d104s24p64d105s25p65d16s2
d. [Ar]4s1
e. Contains 4 electrons in its third and outer main energy level
f. Contains one paired and three unpaired electrons in its fourth and outer
main energy level.