AW2020

Can someone help me figure out what I did wrong on these practice questions? I took screenshots and I don't know what I did wrong. This first question is from largest to smallest in atomic radius. This is also from largest to smallest in atomic radius.

I am currently working on noble gas configurations in chemistry and I am having a hard time understanding why I got two questions wrong on a practice. The instructions for the practice are here: Write out the noble gas configuration for the element. Enter your answer with all values without any spaces, hyper scripts or subscripts Example: S- (These are meant to be in exponential format) [Ne]3s23p4 --> [Ne]3s23p4 My questions are: Write the noble gas configuration for Zr: Write the noble gas configuration for Ho: My answers were: [Kr]5s24p64d2 [Xe]6s25p64f11 I am still getting the answers wrong. Where did I go wrong in my configurations?