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To get excited, it must absorb energy. To get back to its ground state, it releases energy.
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When does an atom produce light?
When light (a photon) collides with an atom, the energy contained by it is absorbed and it bumps one of the electrons orbiting it up to a higher energy level. ( there are several energy levels, think of it as stories of a building) Later when the electron falls down 1 or more energy levels, The energy is released as another photon. If the electron drops down to the original energy level, the same intensity photon is released as was absorbed. If it drops down in 2 or more steps, several photons will be released of varying intensity, depending on the amount of levels dropped.
Ground state vs excited state?
A ground state is an outer orbital electron of an element that is at its lowest possible energy level. The electron in an excited state has a higher energy level than a ground state electron. The average distance from the nucleus is greater in the excited state than in the ground state.
When liquid water freezes into ice energy is absorbed or released or not involved?
Energy is released.
Does photoelectric effect take place below threshold frequency?
The threshold frequency for photoelectric emission is the smallest possible frequency a photon can have to be absorbed/emitted by an electron moving between energy levels in an atom. Explanation: Since electrons can't exist /between/ energy levels, and each electron would be moved a very specific amount by any given photon, only photons of certain frequencies can be properly absorbed/emitted, necessitating a minimum frequency.
An atom absorbs energy as its electron?
An electron in the ground state does absorb energy in form of photons or other electromagnetic radiations.
If an electron has absorbed energy and has shifted to a higher energy level the electron is said to be what?
This electron is called excited.
An electron that has absorbed energy?
excited state
When an electron falls back to its ground state how much energy is released?
It releases the same amount of energy that it absorbed when it was excited to a higher energy state.
What can be said of the amount of energy that an electron absorbs when it is excited compared to the amount of energy that it releases when it returns to ground state?
The amount of energy that is absorbed is the same as the amount of energy that is released.
Energy can be released from a pigment with an excited electron by what method?
by emiting photons
State in which electrons have jumped to a higher energy level?
state in which electrons have absorbed energy and "jumped" to a higher energy level
What happens when an excited electron is passed to an electron acceptor in a photosystem?
When an excited electron is passed to an electron acceptor in a photosystem, energy in sunlight is transformed to chemical energy.
When electrons move from a high energy excited state to a low energy ground state. E Energy is absorbed by the atom?
Energy is released
What is the amount of energy released by an electron as it returned to ground state?
An excited electron releases a photon as it returns to ground state.
Is energy emitted or absorbed when an electron moves from an excited state to a ground state?
Emitted, and the precise amount of energy that is emitted will depend on what kind of atom, and moving from which excited state. That's how spectrographs can determine what element is present.
Electrons that have been excited by light energy absorbed by a chlorophyll molecule?
Some of the electrons become excited. means that they have comparatively more energy. the flow of energy takes place through these excited electrons. these are transferred form the reaction center chlorophyll to the primary electron acceptors.
If an electron is in an excited state it must lose energy when it falls to a lower state. What happens to the energy that is lost?
This energy is released as a photon.
