Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?
A)O, S
B)C, N
C)K, Ca
D)H, He
E)Si, P

Question

Quizplus · Accepted Answer

Oxygen (O) and sulfur (S) are both in Group 16 of the periodic table, meaning they share the same column and thus have similar valence electron configurations. This similarity in electron configuration leads to similar physical and chemical properties.

Which Pair of Elements Would You Expect to Exhibit the Greatest