Chemistry · Classification of Elements

The correct order of first ionization enthalpy among the following elements is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Al < Mg < Si < P < S
2Mg < Al < Si < P < S
3Al < Mg < Si < S < P✓
4Mg > Al > Si > P > S

Correct answer

Al < Mg < Si < S < P

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The correct order of first ionization enthalpy among the following elements is:

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