Because of lanthnoid contractoin, which of the following pairs of elements have nearly same atomic radii ? (Number in the parentrhesis are atomic numbers)

Because of lanthnoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Number in the parenthesis are atomic numbers)

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers)

Because of lanthanide contraction, which of the following pairs of elements have nearly same atomic radii (Number in the parenthesis are atomic numbers)-

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic, radii? (Numbers in the parenthesis areratomic numbers).

Because of lanthanoid contraction, which of the folliwng pairs of elements have nearly same atomic radii ? (Numbers in the paren thesis are atomic numbers)