Chemistry · Periodic Classification
The correct decreasing order of first ionisation energy among the given elements is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1F > N > O > C✓
- 2O > F > N > C
- 3O > N > F > C
- 4C > N > O > F
Correct answer
F > N > O > C
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