NEET 2019 Model Question Paper 4
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Question : 72 of 180
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Select the incorrect order of ionization energy in given configuration
A = 1 s 2 2 s 2 2 p 3
B = 1 s 2 2 s 2 2 p 5
C = 1 s 2 2 s 2 2 p 1
D = 1 s 2 2 s 1
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