Questions: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means 10^-21. You can find the meaning of any SI prefix in the ALEKS Data tab.) Use this diagram to complete the table below. - What is the energy of the electron in the ground state? 250 zJ - What is the energy of the electron in the first excited state? 400 zJ - If the electron makes the transition shown by the red arrow, from A to C, will a photon be absorbed or emitted? absorbed - Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits.

This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means 10^-21. You can find the meaning of any SI prefix in the ALEKS Data tab.) Use this diagram to complete the table below. - What is the energy of the electron in the ground state? 250 zJ - What is the energy of the electron in the first excited state? 400 zJ - If the electron makes the transition shown by the red arrow, from A to C, will a photon be absorbed or emitted? absorbed - Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits.
Transcript text: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means $10^{-21}$. You can find the meaning of any SI prefix in the ALEKS Data tab.) Use this diagram to complete the table below. \begin{tabular}{|l|l|} \hline What is the energy of the electron in the ground state? & 250 zJ \\ \hline \begin{tabular}{l} What is the energy of the electron in the first excited \\ state? \end{tabular} & 400 zJ \\ \hline \begin{tabular}{l} If the electron makes the transition shown by the red \\ arrow, from A to C, will a photon be absorbed or \\ emitted? \end{tabular} & \begin{tabular}{l} absorbed \\ Calculate the wavelength of the photon that would be \\ absorbed or emitted. Round your answer to 3 \\ significant digits. \end{tabular} \\ \hline \end{tabular}
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Solution

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Solution Steps

Step 1: Determine the energy of the electron in the ground state

From the energy diagram, the energy of the electron in the ground state (A) is 250 zJ.

Step 2: Determine the energy of the electron in the first excited state

From the energy diagram, the energy of the electron in the first excited state (B) is 400 zJ.

Step 3: Determine if a photon will be absorbed or emitted during the transition from A to C

The transition from A (250 zJ) to C (1200 zJ) involves an increase in energy. Therefore, a photon will be absorbed.

Final Answer

  1. The energy of the electron in the ground state is 250 zJ.
  2. The energy of the electron in the first excited state is 400 zJ.
  3. A photon will be absorbed during the transition from A to C.
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