- #1
brbrett
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Homework Statement
What is the third ionization energy of Li in its ground state?
A. 4.91 E-18 J
B. 6.54 E-18 J
C. 7.79 E-18 J
D. 9.20 E-18 J
E. 1.96 E-17 J
Homework Equations
Maybe:
EN=-(2.18E-18)(Z2/N2)
The Attempt at a Solution
Plugging in values doesn't give me any of the answers. At first I thought Z was the number of electrons, but now I think it is the atomic number. Either way, I'm at a loss for this question.