Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?
A)As, Br
B)Mg, Al
C)I, Br
D)Br, Kr
E)N, O

Question

Quizplus · Accepted Answer

Elements in the same group of the periodic table, such as iodine (I) and bromine (Br), exhibit the greatest similarity in their physical and chemical properties because they have the same number of valence electrons, which largely determines their behavior in chemical reactions.

Which Pair of Elements Would You Expect to Exhibit the Greatest