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Question 58

Match List - I with List - II.
List - I (Electronic configuration of neutral atom where n = 2) List - II (1st Ionization Energy in kJ mol$$^{-1}$$)
A. ns$$^2$$                                                                                          I. 2080
B. ns$$^2$$np$$^1$$                                                                                   II. 899
C. ns$$^2$$np$$^3$$                                                                                   III. 800
D. ns$$^2$$np$$^6$$                                                                                   IV. 1402
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