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Column-1 Column-11AHU AH2 AHeg (kJ/mol)1. 2372 5251 +48 (p) Element which actas a strongtendency to lose eII. 419 3051 -48 (9) Element whichexists as a mono-atomic moleculeIII. 1681 3374 -333 (r) Less reactivenon-metal amongtheseIV. 1008 1846 -295 (s) More reactive nonmetal among these​

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