1.0-0.8 KeV Energy Ion Level 1 Level 2 (ev) 998.0 NI XIX 1S22S22P6 1S22S22P53D 1PO 992.0 NI XVIII 1S22S22P63S 3S(1/2) 1S22S22P53S3D 992.0 NI XX 1S22S2P6 1S22S2P53D 991.0 FE XVII 1S22S22P6 1S22S22P54S 981.0 CA XVIII 1S22S 2S(1/2) 1S25P 981.0 NI XIX 1S22S22P6 1S22S22P53D 1DO,1FO 979.0 NI XXI 1S22S22P4 3P(0) 1S22S22P33S 3SO 979.0 AR XVIII 2 6 969.0 NI XIX 1S22S22P6 1S22S22P53D 3PO 966.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P23D 4L 961.0 FE XXI 1S22S2P3 3DO 1S22S2P23S 958.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P23D 2L 946.0 FE XXII 1S22S2P2 1S22S2P3S 946.0 NI XX 1S22S2P6 1S22S2P53S 938.0 NE VII 1S22S2 1S(0) 1S2S22PX 936.0 NI XX 1S22S22P5 2P(1/2)O 1S22S22P33S 936.0 FE XXI 1S22S22P2 3P(0) 1S22S22P3S 927.0 AR XVIII 2 5 925.0 FE XVIII 1S22S22P5 2P(1/2)O 1S22S2P53P 925.0 NE VI 1S22S22P 2P(1/2)O 1S2S22P2X 925.0 NI XXI 1S22S22P4 3P(0) 1S22S22P33S 3DO,3PO 921.0 NE IX 1S2 1S 1S2P 1PO 918.0 FE XIX 1S22S22P4 3P(0) 1S22S22P33D 3PO 915.0 NE V 1S22S22P2 3P(0) 1S2P22P3X 914.0 NE IX 1S2 1S 1S2P 3PO 912.0 FE XIX 1S22S22P4 3P(0) 1S22S22P33D 3DO 909.0 FE XV 1S22S22P63S2 1S(0) 1S22S22P53S23PX 906.0 NE IV 1S22S22P3 4S(3/2)O 1S2S22S4X 905.0 NE IX 1S2 1S 1S2S 3S 904.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P23S 2L 900.0 NI XIX 1S22S22P6 1S22S22P53S 1PO 899.0 NE III 1S22S22P4 3P(0) 1S2S22P5X 898.0 FE XIX 1S22S2P5 1S22S2P43D 897.0 FE XIV 1S22S22P63S23P 2P(1/2)O 1S22S22P53S23P2X 897.0 FE XVII 1S22S22P6 1S22S2P63P 893.0 NE II 1S22S22P5 2P(1/2)O 1S2S22P6X 886.0 NIXXVIII 3 6 886.0 FE XIII 1S22S22P63S23P2 3P(0) 1S22S2P63S23P3X 884.0 NI XIX 1S22S22P6 1S22S22P53S 3PO 881.0 CA XVIII 1S22S 2S(1/2) 1S24P 880.0 FE XII 1S22S22P63S23P3 4S(3/2)O 1S22S2P63S23P4X 879.0 NI XVIII 1S22S22P63S 3S(1/2) 1S22S22P53S2 874.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P23S 4L 873.0 FE XI 1S22S22P63S23P4 1S22S2P63S23P5X 865.0 FE X 1S22S22P63S23P5 1S22S2P63S23P6X 863.0 FE XVIII 1S22S22P5 2P(1/2)O 1S22S22P43D 2F,2D 858.0 FE IX 1S22S22P63S23P6 1S22S22P63S3P63DX 852.0 FE XVIII 1S22S22P5 2P(1/2)O 1S22S22P43D 2S,2P 851.0 FE VIII 1S22S22P63S23P63D 1S22S22P63S23P53D2X 849.0 CA XVII 1S22S2 1S(0) 1S22S4P 846.0 O VIII 1 6 845.0 FE VII 1S22S22P63S23P63D2 1S22S22P63S3P63D3X 845.0 FE XVIII 1S22S22P5 2P(1/2)O 1S22S22P43D 4L 843.0 FE XX 1S22S2P4 1S22S2P33D 842.0 CA XVIII 1S22P 2P(1/2) 1S24D 841.0 FE VI 1S22S22P63S23P63D3 1S22S22P63S23P53D4X 837.0 FE V 1S22S22P63S23P63D4 1S22S22P63S23P53D5X 837.0 O VIII 1 5 835.0 FE IV 1S22S22P63S23P63D5 1S22S22P63S23P53D6X 832.0 CA XVIII 1S22P 2P(1/2) 1S24S 827.0 FE XV 1S22S22P63S2 1S(0) 1S22S22P53S24D 827.0 FE XV 1S22S22P63S2 1S(0) 1S22S2P63S24D 826.0 AR XVIII 2 4 826.0 FE XVII 1S22S22P6 1S22S22P53D 1PO 823.0 FE XIX 1S22S22P4 3P(0) 1S22S22P33S 3DO,3PO 819.0 FE XIX 1S22S22P4 3P(0) 1S22S22P33S 3SO 816.0 O VIII 1 4 816.0 FE XIX 1S22S2P5 2S22S2P43S 812.0 FE XVII 1S22S22P6 1S22S22P53D 1DO,1FO 805.0 FE XVI 1S22S22P63P 1S22S22P53S3P 805.0 FE XVIII 1S22S2P6 1S22S2P53D 802.0 FE III 1S22S22P63S23P63D6 1S22S22P63S23P53D64PX 802.0 FE XVII 1S22S22P6 1S22S22P53D 3PO