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Bond energies of H2, F2 and HF are respe...

Bond energies of `H_2, F_2` and HF are respec tively 104.2, 36.6 and `134.6 k cal "mol"^(-1)`. If the electronegativity value of hydrogen is 2.1, calculate the electro-negativity value of fluorine. 

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AAKASH SERIES-PERIODIC TABLE-QUESTIONS FOR DESCRIPTIVE ANSWERS
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