First Ionizing Energy: Exercise 2

Question:

Which equation correctly represents the first ionization of phosphorus?

  1. P−(g) → P (g) + e−
  2. P+(g) + e− P (g) → P (g)
  3. P(g) → P+(g) + e−
  4. P(g) → P−(g)+ e−
  5. P(g) + e− → P−(g) +


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