For the questions, use the image below What energy corresponds to the electron affinity of fluorine? What energy corresponds to the 1st ionization energy of potassium? Which energy change corresponds to the negative lattice energy of potassium fluoride?

Question

Answer using the numbers 1, 2, 3, 4, 5, or 6 from the chart.

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Answer 1 · 2017-11-18T02:44:02

Here's what I get.

(a). Electron affinity of fluorine

#bbcolor(red)(4)# —This is the step in which the ions in the gas phase are converted to the solid crystal.

(b). 1st ionization energy of potassium

#bbcolor(red)(3)# —This is the step in which an electron is removed from #"K(g)"#.

(c). Negative lattice energy of potassium fluoride

#bbcolor(red)(5)# —This is the step in which the ions in the gas phase are converted to the solid crystal.