Which of the following is incorrect concerning the 3d,4d,and 5d transition series?
A)There is a significant increase in radius in going from the 3d to the 4d metals,but the 4d and 5d metals are similar in size.
B)There is a general decrease in size going from left to right for each of these series due to the increasing nuclear charge.
C)The separation of hafnium and zirconium found together in nature is difficult due to their similarities in chemistry,which is attributed to their virtually identical sizes.
D)Cerium through lutetium exhibits what is referred to as the lanthanide contraction.
E)All of the above are correct.

Question

Quizplus · Accepted Answer

All the statements provided are correct regarding the characteristics of the 3d, 4d, and 5d transition series, including the lanthanide contraction affecting elements cerium through lutetium, which, while not directly part of these series, impacts the size and properties of elements in the 5d series.

Which of the Following Is Incorrect Concerning the 3d,4d,and 5d