What element do each of the following statements describe?

Has a full 4d subshell
Has a half full 5p subshell
Has a full third shell
Has a half full 3s orbital

The element with a full 4d subshell is Palladium (Pd).

The element with a half full 5p subshell is Antimony (Sb).

The element with a full third shell is Neon (Ne).

The element with a half full 3s orbital is Boron (B).