please help! Identify the following electron configurarions as the ground state of one of the listed atoms/ions or as an excited state (violating Aufbau principle)

Identify the following electron configurations as the ground state of one of the listed atoms/ions, or as an excited state (i.e., it violates the Aufbau principle). [Kr]4d105p5 1. Se [Kr]5524d105p3 2. Sb [Ar]4s23d1 3. SC [Ar]4s23d4p5 4. In [kr]5s24d10 100 5. an excited state configuration [Ar]4s23d104p4