Which of the following is not a consequence of lanthanide contraction?

Among d-block elements, the most abundant element belongs to the first transition state.

Which of the following iswhy the atomic radii of the second and third transition series are almost same?

Which of the following is amphoteric?

Which of the following element has the highest ionisation enthalpy?

Which of the following has the highest atomic number?

Which is the most stable oxidation state of actinoids?

Why do transition elements form alloys so easily?