The value of is — Atomic Structure Chemistry Question
Question
The value of $Z$ is
Answer: B
💡 Solution & Explanation
As derived from the energy difference $E_3 - E_2 = 17.05$ eV, $13.6 Z^2 (5/36) = 17.05$, yielding $Z^2 = 9$ and therefore $Z = 3$. Therefore, correct answer is B.
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