Consider four elements from Group 17: fluorine in the second period, chlorine in the third period, bromine in the fourth period, and iodine in the fifth period. Which element has the largest first ionization energy? A. fluorine B. chlorine C. bromine D. iodine E. You need more data to predict the first ionization energy of these elements.
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Consider four elements from Group 17: fluorine in the second period, chlorine in the third period, b...
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