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If the potential energy of an electron in a particular Bohr orbit of a hydrogen atom is , what are iAtomic Structure Chemistry Question

Question

If the potential energy of an electron in a particular Bohr orbit of a hydrogen atom is $-3.02 \text{ eV}$, what are its kinetic energy and total energy respectively in that orbit?

Answer: A

💡 Solution & Explanation

In Bohr's model, the relationships between the energies are: Total Energy ($TE$) = $- \text{Kinetic Energy (}KE\text{)}$, and Potential Energy ($PE$) = $2 \times TE = -2 \times KE$. Given $PE = -3.02 \text{ eV}$, we have $TE = \frac{PE}{2} = -1.51 \text{ eV}$ and $KE = -TE = +1.51 \text{ eV}$.

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