electron energy levels

См. также в других словарях:

• Energy level — A quantum mechanical system or particle that is bound that is, confined spatially can only take on certain discrete values of energy. This contrasts with classical particles, which can have any energy. These discrete values are called energy… …   Wikipedia

• Electron configuration — Electron atomic and molecular orbitals Simp …   Wikipedia

• Electron paramagnetic resonance — (EPR) or electron spin resonance (ESR) spectroscopy is a technique for studying chemical species that have one or more unpaired electrons, such as organic and inorganic free radicals or inorganic complexes possessing a transition metal ion. The… …   Wikipedia

• Energy-dispersive X-ray spectroscopy — (EDS, EDX or EDXRF) is an analytical technique used for the elemental analysis or chemical characterization of a sample. As a type of spectroscopy, it relies on the investigation of a sample through interactions between electromagnetic radiation… …   Wikipedia

• Electron mobility — This article is about the mobility for electrons and holes in metals and semiconductors. For the general concept, see Electrical mobility. In solid state physics, the electron mobility characterizes how quickly an electron can move through a… …   Wikipedia

• Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

• Electron microprobe — An electron microprobe (EMP), also known as an electron probe microanalyser (EPMA) is an analytical tool used to non destructively determine the chemical composition of small volumes of solid materials. It works similarly to a scanning electron… …   Wikipedia

• Energy systems — There are three sources of Adenosine triphosphate (ATP), the body s main energy source on the cellular level.ATP PC System (Phosphogen System) This system is used only for very short durations of up to 10 seconds. The ATP PC system neither uses… …   Wikipedia

• electron shell — noun a grouping of electrons surrounding the nucleus of an atom the chemical properties of an atom are determined by the outermost electron shell • Hypernyms: ↑group, ↑grouping * * * electron shell noun A group of electrons surrounding a nucleus… …   Useful english dictionary

• electron — One of the negatively charged subatomic particles that orbit the positive nucleus, in one of several energy levels called shells; in mass they are estimated to be 1/1836.15 of a proton; when emitted from inside the nucleus of a radioactive… …   Medical dictionary

• Energy level splitting — occurs in physics when the degenerate energy levels of two or more states are split because of external fields or other effects. The term is most commonly used in quantum theory in reference to the electron configuration in atoms or molecules.… …   Wikipedia