Traduction et analyse de mots par intelligence artificielle ChatGPT
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quantum of energy - traduction vers russe
![ν]]''}}](https://commons.wikimedia.org/wiki/Special:FilePath/Atomic Absorption (hv corrected).png?width=200 "ν]]''}}")
![[[Wavefunction]]s of a [[hydrogen]] atom, showing the probability of finding the electron in the space around the nucleus. Each stationary state defines a specific energy level of the atom.](https://commons.wikimedia.org/wiki/Special:FilePath/Hydrogen Density Plots.png?width=200 "[[Wavefunction]]s of a [[hydrogen]] atom, showing the probability of finding the electron in the space around the nucleus. Each stationary state defines a specific energy level of the atom.")
['enədʒilev(ə)l]
общая лексика
энергетический уровень
['kwɔntəmmi'kæniks]
общая лексика
квантовая механика
Définition
Wikipédia
A quantum mechanical system or particle that is bound—that is, confined spatially—can only take on certain discrete values of energy, called energy levels. This contrasts with classical particles, which can have any amount of energy. The term is commonly used for the energy levels of the electrons in atoms, ions, or molecules, which are bound by the electric field of the nucleus, but can also refer to energy levels of nuclei or vibrational or rotational energy levels in molecules. The energy spectrum of a system with such discrete energy levels is said to be quantized.
In chemistry and atomic physics, an electron shell, or principal energy level, may be thought of as the orbit of one or more electrons around an atom's nucleus. The closest shell to the nucleus is called the "1 shell" (also called "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on farther and farther from the nucleus. The shells correspond with the principal quantum numbers (n = 1, 2, 3, 4 ...) or are labeled alphabetically with letters used in the X-ray notation (K, L, M, N...).
Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2n2 electrons. Since electrons are electrically attracted to the nucleus, an atom's electrons will generally occupy outer shells only if the more inner shells have already been completely filled by other electrons. However, this is not a strict requirement: atoms may have two or even three incomplete outer shells. (See Madelung rule for more details.) For an explanation of why electrons exist in these shells see electron configuration.
If the potential energy is set to zero at infinite distance from the atomic nucleus or molecule, the usual convention, then bound electron states have negative potential energy.
If an atom, ion, or molecule is at the lowest possible energy level, it and its electrons are said to be in the ground state. If it is at a higher energy level, it is said to be excited, or any electrons that have higher energy than the ground state are excited. An energy level is regarded as degenerate if there is more than one measurable quantum mechanical state associated with it.
