If the electron jumps from 7.00 eV energy level to 5.0 eV energy level it

Options

A. absrobs 2.0 e v kinetic energy
B. abosrbs 2.0 v potential energy
C. emits 2.0 eV electrical energy
D. emits 2.0 eV photon

Answer

To solve the question of what happens when an electron jumps from a 7.00 eV energy level to a 5.0 eV energy level, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Energy Levels**:
- The initial energy level of the electron is 7.00 eV.
- The final energy level of the electron is 5.0 eV.

2. **Determine the Energy Change**:
- The change in energy (ΔE) when the electron transitions from a higher energy level to a lower energy level can be calculated using the formula:
\[ \Delta E = E_{\text{initial}} - E_{\text{final}} \]
- Substituting the values:
\[ \Delta E = 7.00 \, \text{eV} - 5.0 \, \text{eV} = 2.0 \, \text{eV} \]

3. **Understand the Nature of the Transition**:
- When an electron moves from a higher energy level (7.00 eV) to a lower energy level (5.0 eV), it releases energy. This process is known as emission.

4. **Identify the Form of Emitted Energy**:
- The energy that is emitted during this transition is in the form of a photon. The energy of the emitted photon is equal to the energy difference calculated in the previous step.

5. **Conclusion**:
- Therefore, when the electron jumps from the 7.00 eV energy level to the 5.0 eV energy level, it emits a photon with an energy of 2.0 eV.

### Final Answer:
The electron emits a photon with an energy of 2.0 eV when it jumps from the 7.00 eV energy level to the 5.0 eV energy level.

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