If the total energy of an electron in a hydrogen atom is , what are the kinetic energy (K.E.) and po — Atomic Structure Chemistry Question
Question
If the total energy of an electron in a hydrogen atom is $-3.4 \text{ eV}$, what are the kinetic energy (K.E.) and potential energy (P.E.) of the electron respectively?
Answer: A
💡 Solution & Explanation
Total Energy (T.E.) = $- \text{K.E.} = \text{P.E.} / 2$. Therefore, K.E. = $+3.4 \text{ eV}$ and P.E. = $2 \times (-3.4) = -6.8 \text{ eV}$.
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