# Readers ask: What can happen to an electron when sunlight hits it?

• When sunlight hits an electron, the electron can absorbs a photon, so it gains energy: as a result, the electron can move to a higher electron shell, which corresponds to a high energy level in the atom, if the energy given by the photon is at least equal to the energy difference between the two levels.

## When an electron absorbs the required amount of light energy it moves from a Lowerelectron shell to a higher electron shell which is farther from the nucleus?

When an electron absorbs the required amount of light energy, it moves from a lowerelectron shell to a higher electron shell, which is farther from the nucleus. 2. When an electron loses a discrete amount of energy, it moves from a higher electron shell to a lower electron shell, which is closer to the nucleus.

## How can an electron in an atom lose energy?

How can an electron in an atom lose energy to go from a higher energy level to a lower energy level? It releases a photon equal in energy to its own energy drop.

## Where does an electron get its energy?

The electron can gain the energy it needs by absorbing light. If the electron jumps from the second energy level down to the first energy level, it must give off some energy by emitting light. The atom absorbs or emits light in discrete packets called photons, and each photon has a definite energy.

## What happens when an electron in an atom absorbs a photon?

When an electron is hit by a photon of light, it absorbs the quanta of energy the photon was carrying and moves to a higher energy state. Electrons therefore have to jump around within the atom as they either gain or lose energy.

## What happens when an electron absorbs energy?

An atom changes from a ground state to an excited state by taking on energy from its surroundings in a process called absorption. The electron absorbs the energy and jumps to a higher energy level. In the reverse process, emission, the electron returns to the ground state by releasing the extra energy it absorbed.

## Which electron has the highest potential energy?

As you go down in rows in the periodic table, the energy level ( n ) increases and the further the electrons are away from the nucleus and the potential energy increases. – The highest shell, has the greatest potential energy and is also the shell that forms all interactions with other atoms. aka valence electrons.

## Does losing an electron release energy?

Metals: Metals like to lose valence electrons to form cations to have a fully stable octet. Nonmetals: Nonmetals like to gain electrons to form anions to have a fully stable octet. They release energy (exothermic) to gain electrons to form an anion; thus, electron affinity of nonmetals is higher than that of metals.

## Why is energy released when an electron is added?

When electrons are added to an atom, the increased negative charge puts stress on the electrons already there, causing energy to be released. When electrons are removed from an atom, that process requires energy to pull the electron away from the nucleus. Addition of an electron releases energy from the process.

## Why is the energy of an electron more in higher orbits?

Kinetic and potential energy of atoms result from the motion of electrons. When electrons are excited they move to a higher energy orbital farther away from the atom. The further the orbital is from the nucleus, the higher the potential energy of an electron at that energy level.

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## Can an Electron exist by itself?

According to Dirac, at any point in space, the electron neither exists nor doesn’t exist. It can only be described as a mathematical function. The same is true for the quarks that make up the atom’s nucleus, as they too are fermions, which behave according to the Dirac equation.

## What is the lifespan of an electron?

The best measurement yet of the lifetime of the electron suggests that a particle present today will probably still be around in 66,000 yottayears (6.6 × 1028 yr), which is about five-quintillion times the current age of the universe.

## Does an electron ever stop moving?

Because an electron is a quantum object with wave-like properties, it must always be vibrating at some frequency. In order for an electron to stop vibrating and therefore have a frequency of zero, it must be destroyed. Furthermore, an electron in a stable atomic state does not move in the sense of waving through space.

## What happens when a hydrogen atom absorbs a photon?

A fermion in a bound state can absorb (emit) a “real” photon corresponding to excitation (de-excitation) of it and the photon completely disappears (appears).

## Can a hydrogen atom absorb a photon having energy more than 13.6 eV?

Yes, a hydrogen atom can absorb a photon having energy more than 13.6 eV.

## Can an electron absorb more than one photon?

“The electrons could not absorb more than one photon to escape from the surface, they could not therefore absorb one quanta and then another to make up the required amount – it was as if they could only embrace one quantum at a time. Each photon of blue light released an electron.