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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 h...

Energy Levels in Atoms - SkyServer - SDSS


Its energy levels are given in the diagram below. The x-axis shows the allowed energy levels of electrons in a hydrogen atom, numbered from 1 to 5. The y-axis ...

A-level Physics (Advancing Physics)/Energy Levels - Wikibooks ...


As an electron approaches a nucleus from infinity, it becomes 'bound' - it is attached to the nucleus, if you like. In this bound state, the electron occupies what is ...

Helium Energy Levels - HyperPhysics


Helium Energy Levels. The electron energy levels for a helium atom demonstrate a number of features of multi-electron atoms. One electron is presumed to be in ...

Energy Levels - Hydrogen Energy Levels - NAAP - UNL Astronomy


A Hydrogen atom consists of a proton and an electron which are “bound” together – the proton (positive charge) and electron (negative charge) stay together ...

Hydrogen energies and spectrum - HyperPhysics


The Bohr model for an electron transition in hydrogen between quantized energy levels with different quantum numbers n yields a photon by emission with ...

Lithium Energy Levels - HyperPhysics


Since the outer electron looks inward at just one net positive charge, it could be expected to have energy levels close to those of hydrogen. This is true for high ...

What indicates the main energy levels of an atom? | Reference.com


The main energy levels of an atom are indicated by the principal quantum numbers. This number, which illustrates the orbital size, describes the orbital energy of ...

NIST: Atomic Spectra Database - Energy Levels Form


Best viewed with the latest versions of Web browsers and JavaScript enabled. This form provides access to NIST critically evaluated data on atomic energy ...

How many energy levels does calcium have? | Reference.com


The element calcium has a total of four energy levels that each can hold a certain number of electrons. Its first and fourth energy levels hold two electrons each, ...

energy level
a comparative level of capacity for vigorous activity: The child has a high energy level.
Physics. one of a quantized series of states in which matter may exist, each having constant energy and separated from others in the series by finite quantities of energy.
Source: Dictionary.com
energy level | Define energy level at Dictionary.com
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