1.3-1.0 KeV Energy Ion Level 1 Level 2 (ev) 1290.0 NI XXIII 1S22S22P2 3P(0) 1S22S22P3D 1280.0 NI XXII 1S22S22P3 4S(3/2)O 1S22S22P23D 4L 1280.0 FE XXVI 2 3 1280.0 NI XXVI 1S22P 2P(1/2) 1S23S 1280.0 NE X 1 4 1270.0 NI XXV 1S22S2P 1PO 1S22S3D 3D 1270.0 FE XXI 1S22S22P2 3P(0) 1S22S22P4L 1270.0 NI XXI 1S22S22P4 3P(0) 1S22S22P33D 3DO 1260.0 NI XXII 1S22S22P3 4S(3/2)O 1S22S22P23D 2L 1240.0 NI XXIV 1S22S22P 2P(1/2)O 1S23D 1240.0 NI XXV 1S22S2P 1PO 1S22S3D 1D 1230.0 NI XIX 1S22S22P6 1S22S22P54D 1220.0 NI XXV 1S22S2P 1PO 1S22S3S 1S 1210.0 CA XX 2 6 1210.0 NE X 1 3 1200.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P24L 1200.0 NI XXIV 1S22S2P2 1S22S2P3D 1200.0 FE XXV 1S2P 3PO 1S3D 3D 1190.0 NI XX 1S22S22P5 2P(1/2)O 1S22S2P53P 1190.0 NI XX 1S22S2P6 1S22S2P54L 1190.0 NI XXIV 1S22S22P 2P(1/2)O 1S23S 1190.0 NI XIX 1S22S22P6 1S22S22P54S 1180.0 FE XXV 1S2P 1PO 1S3D 1D 1170.0 NI XXIII 1S22S2P3 3DO 1S22S2P23S 1160.0 FE XXIV 1S22S 2S(1/2) 1S23P 1160.0 NI XXII 1S22S2P4 1S22S2P33D 1160.0 NI XXIII 1S22S22P2 3P(0) 1S22S22P3S 1150.0 FE XIX 1S22S22P4 3P(0) 1S22S22P34L 1150.0 FE XIX 1S22S22P4 3P(0) 1S22S2P43P 1140.0 CA XX 2 5 1130.0 FE XVII 1S22S22P6 1S22S2P64P 1130.0 NE IX 1S2 1S 1S4P 1PO 1130.0 NI XXII 1S22S22P3 4S(3/2)O 1S22S22P23S 4L 1130.0 FE XXIII 1S22S2 1S(0) 1S22S3P 1PO 1130.0 FE XXIV 1S22P 2P(1/2) 1S23D 1120.0 NI XXIV 1S22S2P2 1S22S2P3S 1090.0 FE XVIII 1S22S2P6 1S22S2P54L 1090.0 FE XXIV 1S22P 2P(1/2) 1S23S 1080.0 FE XXIII 1S22S2P 1PO 1S22S3D 3D 1080.0 NI XIX 1S22S22P6 1S22S2P63P 1070.0 NE IX 1S2 1S 1S3P 1PO 1060.0 NI XXII 1S22S22P3 4S(3/2)O 1S22S22P23S 2L 1050.0 FE XXIII 1S22S2P 1PO 1S22S3D 1D 1050.0 NI XX 1S22S22P5 2P(1/2)O 1S22S22P43D 2S,2P 1040.0 FE XXII 1S22S22P 2P(1/2)O 1S23D 1040.0 NI XX 1S22S22P5 2P(1/2)O 1S22S22P43D 2F,2D 1030.0 FE XXI 1S22S2P3 3DO 1S22S2P23D 1030.0 NI XXII 1S22S2P4 1S22S2P33S 1020.0 CA XX 2 4 1020.0 NI XX 1S22S22P5 2P(1/2)O 1S22S22P43D 4L 1020.0 NE X 1 2 1010.0 FE XXII 1S22S22P 2P(1/2)O 1S23S 1010.0 FE XVII 1S22S22P6 1S22S22P54D 1010.0 FE XX 1S22S22P3 4S(3/2)O 1S22S2P33P 1010.0 FE XXII 1S22S2P2 1S22S2P3D 1000.0 FE XXI 1S22S22P2 3P(0) 1S22S22P3D 1000.0 FE XXIII 1S22S2P 1PO 1S22S3S 1S 1000.0 NI XVII 1S22S22P63S2 1S(0) 1S22S22P53S24D 1000.0 NI XVII 1S22S22P63S2 1S(0) 1S22S2P63S24D