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...: the number of protons determines the chemical element, and the number of neutrons determines the [https://en.wikipedia.org/wiki/Isotope isotope] of the eleme ...is can result in a [[transmutation]] that changes the number of protons or neutrons in a nucleus. Electrons that are bound to atoms possess a set of stable ene

...ctor effective neutron multiplication factor k], the [[average]] number of neutrons released per fission [[event]] that go on to cause another fission event ra ...have the [[ability]] to sustain a fission chain reaction. A population of neutrons introduced to a subcritical assembly will [[exponentially]] decrease. In th

...Protons protons] and the uncharged [https://en.wikipedia.org/wiki/Neutrons neutrons] of the [[nucleus]] of the [[atom]] are held [[together]] by the [[reciproc ...ipedia.org/wiki/Proton protons] and [https://en.wikipedia.org/wiki/Neutron neutrons]. At one infinitesimal part of a second a given [[nuclear]] [[particle]] is

...tom. Almost all of the [[mass]] in an atom is made up from the protons and neutrons in the nucleus, with a very small contribution from the orbiting electrons. The nucleus of an atom consists of protons and neutrons (two types of baryons) bound by the nuclear force (also known as the residu

...org/wiki/Quarks quarks] together to form neutrons and protons, and holding neutrons and protons together to form nuclei. The exchange particle that mediates th

*3: a substance (as graphite) used for slowing neutrons in a nuclear reactor

...nd many failed. A laboratory in Italy announced they had detected excess [[neutrons]] in their experiment, an indication of fusion. The [[media]] went into a '

* A neutron moderator is used to slow down neutrons in a nuclear reactor.

...bined to form one or more different atomic nuclei and subatomic particles (neutrons or protons).

...rks]] of which [[protons]] and [[neutrons]] are made. Since [[protons]], [[neutrons]] and [[electrons]] combine to form [[atoms]] and [[molecules]], thus they Most of the [[mass]] of [[protons]] and [[neutrons]] comes from the [[kinetic energy]] of the quarks, and from the mass of the

...tons. Electrons, together with atomic [[nuclei]] made of [[protons]] and [[neutrons]], make up atoms. However, electrons contribute less than 0.06% to an atom'

...pe]] and [[mass]] of the uranium), ''k'' > 0 and so the production rate of neutrons and induced uranium fissions increases exponentially, in an uncontrolled re

...ikipedia.org/wiki/Proton protons], [https://en.wikipedia.org/wiki/Neutrons neutrons], and [[electrons]]. Though simple atomic nuclei formed within the first th

...[number]] of electrically inactive [https://en.wikipedia.org/wiki/Neutrons neutrons] in the [[central]] [[body]]. [[Chemical]] [[behavior]] is wholly dependent

...clear reactors. In the physical and biological sciences, the reflection of neutrons off atoms within a material is commonly used to determine its internal stru

...ely charged core (the [[atomic nucleus]]) which contains [[protons]] and [[neutrons]], and which maintains a number of [[electron]]s to balance the positive ch ...[[isotope]]s of an element, that differ from one another in the number of neutrons present in the nucleus, may exist.

...lly with what is understood on your sphere, with electrons and protons and neutrons, even the ultimaton, which has not been discovered on your sphere. When you

...carbon atom is exactly the same as every other one with its electrons and neutrons--all the stuff that makes up this physical universe that you now know is in

...[number]] of electrically inactive [https://en.wikipedia.org/wiki/Neutrons neutrons] in the [[central]] [[body]]. [[Chemical]] [[behavior]] is wholly dependent ...Protons protons] and the uncharged [https://en.wikipedia.org/wiki/Neutrons neutrons] of the [[nucleus]] of the [[atom]] are held [[together]] by the [[reciproc

...lightweight nuclei such as H2..into the more stable He4 nuclei plus extra neutrons, with the release of several million electron volts per particle. 1969 J. D

All known solid, liquid, and gaseous substances are composed of protons, neutrons and electrons. All three are [[fermions]] or spin-half particles, whereas t

...own [[high energy physics]]. This is when the first protons, electrons and neutrons formed, then nuclei and finally atoms. With the formation of neutral hydrog

15. In a helium core then I'll have 4 neutrons and two mesotrons?

...om so long as the structure of the atom contains the appropriate number of neutrons and protons with the added benefit of one or more neutrino present and acco Protons release their charge to become neutrons when heating elements activate due to radiological presences of certain ele

bonding as a basis for creating electrons, protons, and neutrons. This enables whatever type

Dr. Neruda: "They're elementals like electrons or neutrons. Quantum objects are fundamental building blocks of matter, and they can ap