1.5 @ 0. 3s2p3 4S 3s2p3 4S 1.5 @ 41566. 3s2p3 2D 3s2p3 2D 2.5 @ 46075. 3s2p3 2D 3s2p3 2D .5 @ 74109. 3s2p3 2P 3s2p3 2P 1.5 @ 80515. 3s2p3 2P 3s2p3 2P