0. 0. 2s2 2p6 1S 2s2 2p6 1S 1. 5049900. 2s2 2p5(2P1)4p 2[1+] 1)4p 2[1+] 2. 5047200. 2s2 2p5(2P1)4p 2[2+] 1)4p 2[2+] 2. 5097300. 2s2 2p5(2P0)4p 2[1+] 0)4p 2[1+]