Select the correct orbital box diagram for the ground state of the silicon atom (Si). (The answer must obey Hund's rule) Select the correct orbital box diagram for the ground state of the silicon atom (Si). (The answer must obey Hund's rule) 1s 2s 2p 2p 2p 3 s 3p4 3s 3p 1s 2s 2p 2p 2p 3p