Question 1751
When comparing atomic radii, what general trend is observed from the first (3d) to the second (4d) series?
Question 1752
What is the primary cause of the Lanthanoid contraction?
Question 1753
What phenomenon explains why the atomic radii of the third (5d) series are similar to the second (4d) series?
Question 1754
What is the underlying reason for the decrease in ionic radius across a transition series, according to the provided text?
Question 1755
Which of the following best describes the change in ionic radius for ions with the same charge across a transition metal series?