Magnesuim Energy Ion Level 1 Level 2 (ev) 1900.0 MG XII 1 6 1880.0 MG XII 1 5 1840.0 MG XII 1 4 1740.0 MG XII 1 3 1660.0 MG XI 1S2 1S 1S4P 1PO 1580.0 MG XI 1S2 1S 1S3P 1PO 1460.0 MG XII 1 2 1350.0 MG XI 1S2 1S 1S2P 1PO 1340.0 MG XI 1S2 1S 1S2P 3PO 1330.0 MG X 1S22S 2S(1/2) 1S2S2 1330.0 MG XI 1S2 1S 1S2S 3S 1320.0 MG IX 1S22S2 1S(0) 1S2S22P 435.0 MG XII 2 6 412.0 MG XII 2 5 367.0 MG XII 2 4 313.0 MG X 1S22S 2S(1/2) 1S25P 281.0 MG X 1S22S 2S(1/2) 1S24P 272.0 MG XII 2 3 262.0 MG X 1S22P 2P(1/2) 1S24D 257.0 MG IX 1S22S2 1S(0) 1S22S4P 235.0 MG VIII 1S22S22P 2P(1/2)O 1S24D 235.0 MG XI 1S2P 3PO 1S3D 3D 227.0 MG XI 1S2P 1PO 1S3D 1D 225.0 MG IX 1S22S2P 1PO 1S22S4L 214.0 MG X 1S22S 2S(1/2) 1S23P 203.0 MG VII 1S22S22P2 3P(0) 1S22S22PNL 198.0 MG IX 1S22S2 1S(0) 1S22S3P 1PO 196.0 MG X 1S22P 2P(1/2) 1S23D 196.0 MG VII 1S22S22P2 3P(0) 1S22S22P4L 188.0 MG X 1S22P 2P(1/2) 1S23S 185.0 MG IX 1S22S2P 1PO 1S22S3D 3D 171.0 MG IX 1S22S2P 1PO 1S22S3D 1D 165.0 MG VIII 1S22S22P 2P(1/2)O 1S23D 165.0 MG VIII 1S22S2P2 1S22S2P3D 163.0 MG XII 3 6 159.0 MG IX 1S22S2P 1PO 1S22S3S 1S 157.0 MG VII 1S22S2P3 3DO 1S22S2P23D 150.0 MG VII 1S22S2P3 3DO 1S22S2P23S 150.0 MG VIII 1S22S22P 2P(1/2)O 1S23S 148.0 MG VII 1S22S22P2 3P(0) 1S22S22P3D 140.0 MG VIII 1S22S2P2 1S22S2P3S 140.0 MG XII 3 5 130.0 MG VI 1S22S22P3 4S(3/2)O 1S22S22P23D 4L 127.0 MG V 1S22S22P4 3P(0) 1S22S2P43P 126.0 MG V 1S22S22P4 3P(0) 1S22S22P34L 126.0 MG VII 1S22S22P2 3P(0) 1S22S22P3S 111.0 MG VI 1S22S22P3 4S(3/2)O 1S22S22P23S 2L 109.0 MG V 1S22S2P5 1S22S2P43D 109.0 MG V 1S22S22P4 3P(0) 1S22S22P33D 3PO 102.0 MG V 1S22S22P4 3P(0) 1S22S22P33D 3DO 95.19 MG XII 3 4 93.59 MG V 1S22S22P4 3P(0) 1S22S22P33S 3DO,3PO 84.90 MG V 1S22S22P4 3P(0) 1S22S22P33S 3SO 84.59 MG IV 1S22S22P5 2P(1/2)O 1S22S22P43D 2S,2P 84.30 MG IV 1S22S22P5 2P(1/2)O 1S22S22P43D 2F,2D 83.90 MG IV 1S22S22P5 2P(1/2)O 1S22S22P43D 4L