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Sketch an atom emitting light. Does the electron end up in a higher or lower orbit. Repeat for an atom absorbing light?
When an atom emits light an electron has fallen from a higher orbit to a lower orbit. The amount of energy the emitted photon has will equal the energy difference between the initial and final orbits.
What is a work function?
A work function is the minimum amount of energy required to remove an electron from a solid to a point just outside its surface. It is essentially the energy barrier that needs to be overcome for electrons to be emitted from a material.
What force must be overcome to remove an electron?
The force that must be overcome to remove an electron from an atom is the electrostatic attraction between the electron and the positively charged nucleus. This force is governed by Coulomb's law and is known as the ionization energy. The amount of energy required to remove an electron depends on the specific atom and its electron configuration.
What are extremely reactive nonmetals because they release a large amount of energy when they gain electrons?
Halogens are extremely reactive nonmetals that release a large amount of energy when they gain electrons. This process allows them to achieve a stable electron configuration, leading to their high reactivity.
How does the electron configuration of the noble gases affect their reactivity?
Electronegativity affects the amount of ions in an element thus affecting the formation of an ionic compound. The more electronegativity, the more ions, the greater ability to react.
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.
What is the electron configuration for a fluorine atom in the excited state?
Ground state: 1s2 2s2 2p5Excited state: 1s2 2s2 2p4 3s1In the excited state, one of the 2p electrons jumped into a 3s orbital. This is unstable, and the electron will jump back down, releasing energy in the same amount of energy that was required to excite the electron initially.
Energy lost by an electron during its transition from an outer to an inner orbit is emitted as a flash of light called a?
Energy lost by an electron during its transition from an outer to an inner orbit is emitted as a flash of light called an emission. Light/energy emissions are released in a characteristic manner (wavelength) that corresponds to the amount of energy lost.
Is oxygen high ionization energy?
Yes, oxygen has a relatively high ionization energy because it requires a large amount of energy to remove an electron from an oxygen atom due to its stable electron configuration.
Most of the light emitted by the sun comes from where?
Most of the light emitted by the Sun comes from its core, where nuclear fusion reactions occur. These reactions convert hydrogen into helium, releasing a tremendous amount of energy in the form of light and heat. This energy then travels outwards, eventually reaching the Sun's surface and being emitted into space as sunlight.
When the radioactive isotope of Th-234 emits a beta particle to become Pa-234 it also loses a small amount of mass which is emitted as?
gamma radiation!
Why the kinetic energy of the emitted electrons varies up to a maximum value?
Let the work function of a metal be W. Let C be a constant of the dimension of energy. if Kis the maximum kinetic energy of an electron then.......W=C-K..... (K HERE IS THE ENERGY SUPLIED BY A PHOTON TO THE ELECTRON)
Sketch an atom emitting light. Does the electron end up in a higher or lower orbit. Repeat for an atom absorbing light?
When an atom emits light an electron has fallen from a higher orbit to a lower orbit. The amount of energy the emitted photon has will equal the energy difference between the initial and final orbits.
What is a work function?
A work function is the minimum amount of energy required to remove an electron from a solid to a point just outside its surface. It is essentially the energy barrier that needs to be overcome for electrons to be emitted from a material.
What is the relationship between the light emitted by an atom and the energies of the electrons in the atom?
Light Energy increases as you move down the period table among the alkali group.
What force must be overcome to remove an electron?
The force that must be overcome to remove an electron from an atom is the electrostatic attraction between the electron and the positively charged nucleus. This force is governed by Coulomb's law and is known as the ionization energy. The amount of energy required to remove an electron depends on the specific atom and its electron configuration.
What is Argon Ionization Energy?
Argon ionization energy is the amount of energy required to remove an electron from a neutral argon atom to produce a positively charged ion. In the case of argon, this energy is relatively high due to its stable electron configuration.
