Multiple Choice
Which of the following correctly defines the first ionization energy:
A) A(s) → A+(s) + e-(g) ; I1 = E(A+, s) - E(A, s)
B) A(g) → A+(g) + e-(g) ; I1 = E(A, g) - E(A+, g)
C) A(g) → A+(g) + e-(g) ; I1 = E(A+, g) - E(A, g) .
Correct Answer:

Verified
Correct Answer:
Verified
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