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The change in energy for which of the following processes represents the first ionization energy of iodine?a. I(g)→ I2+(g) + 2e-b. I(g) + e- → I-(g) c. 2I-(g)→ I2(s) + 2e-d. I(g)→ I+(g) + e-e. I-(g)→ I+(g) + 2e-