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

(A) B < P < S < F 

(B) B < S < P < F 

(C) F < S < P < B 

(D) P < S < B < F 

Reply To:

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

(A) B < P < S < F 

(B) B < S < P < F 

(C) F < S < P < B 

(D) P < S < B < F 

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