I believe that it most likely would be D.
Answer:
Your help from me is a good luck! :)
Explanation:
Lol sorry I don't know the answer and don't want to tell you something wrong. Good luck though. Have a great day!
For isoelectronic ions, as nuclear charge increases, effective nuclear charge increases and ionic radius decreases.
Answer:
tantalum
i hope this helps<33 :)))))