Classification of Elements and Periodicity in Properties

Classification of Elements and Periodicity in Properties

Question

The increasing order of the first ionization enthalpies of the elements B, P, S and F (lowest first) is 

  • F < S < P < B

  • P < S < B < F

  • B < P < S < F

  • B < S < P < F

Answer

D.

B < S < P < F

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