Question

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties? o,s si, p?

Answer 1

I believe the appropriate pair is O and S, Periodic table represents arrangements of elements ordered by their atomic number,physical and chemical properties. Both sulfur and oxygen are in the same group of the periodic table (group 6), they have a valency of 2, This means they have a greater similarity in chemical and physical properties.