Chemistry · Periodic Classification
Electronic configurations of four elements A, B, C, and D are given below: A) 1s2 2s2 2p6 3s1 B) 1s2 2s2 2p6 3s2 3p1 C) 1s2 2s2 2p6 3s2 D) 1s2 2s2 2p6 3s2 3p2 The correct order of first ionization enthalpy of these elements is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1D > B > C > A
- 2C > D > B > A
- 3C > A > B > D
- 4D > C > B > A✓
Correct answer
D > C > B > A
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