Will give 25 point's!!!

2.) Jaime tests the physical and chemical properties of several elements in the laboratory. He finds that two of the elements have very similar properties. What can he conclude about these elements?
A.) They have the same number of protons.
B.) They have the same number of neutrons.
C.) They are located in the same row of the periodic table.
D.) They are located in the same column of the periodic table.