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.). 1400- 1200- 1000- energy (2) 800- 600 400- 200- Use this diagram to complete the table below. What is the energy of the electron in the ground state? What is the energy of the electron in the first excited state? If the electron makes the transition shown by the red arrow, from A to B, will a photon be absorbed or emitted? Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits. 0₂J O absorbed O emitted X S 4

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Chapter1: Chemical Foundations
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### Energy Diagram and Electron Transitions

This energy diagram illustrates the allowed energy levels of an electron in a specific atom. **Note:** The SI prefix "zepto" (z) denotes \(10^{-21}\).

#### Diagram Explanation

The diagram features three energy levels, labeled A, B, and C, with their corresponding energies in zeptojoules (zJ):

- **Level A:** ~200 zJ
- **Level B:** ~400 zJ
- **Level C:** ~600 zJ

A red arrow indicates the transition from level A to level B.

#### Questions and Tasks

1. **What is the energy of the electron in the ground state?**  
   ☐ zJ

2. **What is the energy of the electron in the first excited state?**  
   ☐ zJ

3. **If the electron makes the transition shown by the red arrow, from A to B, will a photon be absorbed or emitted?**  
   ☐ absorbed  
   ☐ emitted

4. **Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits.**  
   ☐ nm

Use the diagram to fill out the table with the correct values and answers.
Transcribed Image Text:### Energy Diagram and Electron Transitions This energy diagram illustrates the allowed energy levels of an electron in a specific atom. **Note:** The SI prefix "zepto" (z) denotes \(10^{-21}\). #### Diagram Explanation The diagram features three energy levels, labeled A, B, and C, with their corresponding energies in zeptojoules (zJ): - **Level A:** ~200 zJ - **Level B:** ~400 zJ - **Level C:** ~600 zJ A red arrow indicates the transition from level A to level B. #### Questions and Tasks 1. **What is the energy of the electron in the ground state?** ☐ zJ 2. **What is the energy of the electron in the first excited state?** ☐ zJ 3. **If the electron makes the transition shown by the red arrow, from A to B, will a photon be absorbed or emitted?** ☐ absorbed ☐ emitted 4. **Calculate the wavelength of the photon that would be absorbed or emitted. Round your answer to 3 significant digits.** ☐ nm Use the diagram to fill out the table with the correct values and answers.
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