0.5 0. 3s2 3p 2P 3s2 3p 2P 1.5 33239. 3s2 3p 2P 3s2 3p 2P 1.5 725320. 3p3 4S 3p3 4S 1.5 2312000. 3s3p4s 4P 3s3p4s 4P 1.5 2332000. 3s3p4s 2P 3s3p4s 2P 2.5 861200. 3s3p3d 4D 3s3p3d 4D 2.5 876780. 3s3p3d 2D 3s3p3d 2D 2.5 2337000. 3s3p4s 4P 3s3p4s 4P 2.5 2476000. 3s2 4f 2F 3s2 4f 2F 3.5 856700. 3s3p3d 4D 3s3p3d 4D 3.5 2474000. 3s2 4f 2F 3s2 4f 2F