Binding energy
Binding Energy
Binding energy (pronunciation: /ˈbaɪndɪŋ ˈɛnərdʒi/) is a term used in Physics and Chemistry to describe the energy required to disassemble a whole system into separate parts. A bound system typically has a lower potential energy than its constituent parts; this is what keeps the system together—the surplus energy, or equivalently, the work done on the system to assemble it, is stored in the system as its binding energy.
Etymology
The term "binding energy" is derived from the word "bind", which means to fasten or secure, and "energy", which is the capacity for doing work. The term thus refers to the energy that is required to "unbind" or separate a system into its constituent parts.
Related Terms
- Nuclear Binding Energy: The energy required to disassemble the nucleus of an atom into its constituent protons and neutrons.
- Gravitational Binding Energy: The minimum energy required to pull apart a gravitationally bound system of particles or celestial bodies.
- Ionization Energy: The energy required to remove an electron from a gaseous atom or ion.
- Chemical Binding Energy: The energy required to break a chemical bond and form neutral atoms.
See Also
- Mass-Energy Equivalence
- Strong Nuclear Force
- Weak Nuclear Force
- Electromagnetic Force
- Gravitational Force
References
External links
- Medical encyclopedia article on Binding energy
- Wikipedia's article - Binding energy
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