Table of Contents
- 1 What happens when a photon strikes an atom?
- 2 When an electron in an atom absorbs a photon?
- 3 What happens when an electron strikes an atom?
- 4 What happens when a photon hits a hydrogen atom?
- 5 When an atom absorbs a photon what are the possible outcomes?
- 6 What happens to an atom when it absorbs energy?
- 7 Why does the electron have higher energy than the atom?
- 8 What happens when an electron moves to a higher orbital?
What happens when a photon strikes an atom?
6. Photons are easily created and destroyed. Similarly, when a photon of the right wavelength strikes an atom, it disappears and imparts all its energy to kicking the electron into a new energy level. A new photon is created and emitted when the electron falls back into its original position.
When an electron in an atom absorbs a photon?
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.
When a photon collides with an electron and gives it energy what happens to the photon after bouncing from the electron?
Some of the energy and momentum is transferred to the electron (this is known as the Compton effect), but both energy and momentum are conserved in this elastic collision. After the collision the photon has energy hf/ and the electron has acquired a kinetic energy K.
What happens when an electron in an atom absorbs a photon quizlet?
What happens when an atom absorbs a photon? The energy of the photon is stored by an electron moving from a lower energy level to a higher energy level. There are only specific amounts of energy (called energy levels) within the atom.
What happens when an electron strikes an atom?
When an electron collides with an atom or ion, there is a small probability that the electron kicks out another electron, leaving the ion in the next highest charge state (charge q increased by +1). This is called electron-impact ionization and is the dominant process by which atoms and ions become more highly charged.
What happens when a photon hits a hydrogen atom?
When photons of that energy meet an atom, they can scatter and excite it to a higher level, thus the photon is absorbed and “dies”.
What happens when an atom absorbs an electron?
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.
How does the scattering of a photon affect an electron?
Colliding photons transfer some of their energy and momentum to the electrons, which in turn recoil. In the instant of the collision, new photons of less energy and momentum are produced that scatter at angles the size of which depends on the amount of energy lost to the recoiling electrons.
When an atom absorbs a photon what are the possible outcomes?
An atom absorbs a photon, this excites an an electron and it skips up several higher levels. the processes involved when an atom gains or loses energy, causing electron(s) to move to a higher energy level or release energy and fall to a lower energy level.
What happens to an atom when it absorbs energy?
What happens when a photon and an electron meet?
When a photon and an electron meet the energy is transferred between the photon and the electron. The photon particle is destroyed in the process. When an electron meets it’s peak energy orbital it will release some energy to enter into the nearest stable energy level.
What happens to the kinetic energy after a photon is emitted?
Even after a photon is emitted and the electron returns to the ground state, the atom does not usually have the same kinetic energy as it started with, since the photon is probably emitted in a different direction. Thanks for contributing an answer to Physics Stack Exchange!
Why does the electron have higher energy than the atom?
The electron is located at a higher energy level, the momentum of the photon is transferred to the atom. In the semiclassical Bohr model one can say that the electron has higher energy, though the rigorous quantum mechanical solution is about probable values of the energy if measured.
What happens when an electron moves to a higher orbital?
The reverse process, i.e., when an electron moves to a higher orbital (shell), happens when a photon impacts with an atom, i.e., the atom absorbs external energy. Currently light is known as being of wave forms called fields and particle forms called photons. Field (wave) properties include: