e) Based on your answers in question 2 parts a-d, what is the general trend in the atomic radius of
atoms within the same period?
3. Think about the possible contributing factors to the atomic radius trend within a period, specifically
considering the protons in the nucleus, the electrons and the electron shells. List them below:
4. Based on what you have learned, and without the assistance of the periodic trends simulation, predict
which element is larger in the following pairs of atoms:
Be or Sr
P or Ar
Rb or S
F or He
Br or Ca
Xe or Ba