In the energy level diagram shown in the figure below, the electron is excited to the E4 energy level.If the electron transitions to an energy level giving off a photon, which level would produce a photon with the largest energy? 
Definitions:
Quantity Demanded
The total amount of a good or service that consumers are willing and able to purchase at a given price within a specific time period.
Demand Curve
A graphical representation showing the relationship between the price of a good or service and the quantity demanded at various prices.
Quantity Demanded
The specific amount of a good or service consumers are willing to buy at a given price point, holding all else constant.
Quantity Supplied
The total amount of a good that producers are willing to sell at a given price over a specific time period.
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