What must happen for an electron to move to a higher energy level?
O
The electron must gain energy
o
The electron must transfer energy to another electron.
The electron must release energy through fission.
O
The electron must collide with the nucleus.

For a electron to be promoted from one energy level to a higher energy level it has to absorb energy. If the electron decay back to the initial energy level will emit a photon with the a energy equal of the difference between the two energetic levels.

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What must happen for an electron to move to a higher energy level? O The electron must gain energy o The electron must transfer energy to another electron. The electron must release energy through fission. O The electron must collide with the nucleus.

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What must happen for an electron to move to a higher energy level?
O
The electron must gain energy
o
The electron must transfer energy to another electron.
The electron must release energy through fission.
O
The electron must collide with the nucleus.