Which element has chemical properties most similar to those of P?

Which pair of elements is chemically most similar?

Which pair of elements has same chemical properties ?

Which pair of elements has same chemical properties ?

Which pair of elements have chemical propeties that are the most similar ?

On the basis of Newlands' classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the _____ element starting from oxygen.

Which Group IIIA elements is expected to have physical and chemical properties least similar to other members of that group?