Noun
nuclear reaction- a process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and / or subatomic particles in which the number of protons and / or neutrons in a nucleus changes; the reaction products may contain a different element or a different isotope of the same element
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...In the symbolic figure shown to the right, and deuterium react to form the highly excited intermediate nucleus which then decays immediately into two alpha particles. Protons are symbolically represented by red spheres, and neutrons by blue spheres. Read full entry
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- 1.Nuclear reaction - Wikipedia, the free encyclopedia
- In a nuclear reaction, the total (relativistic) energy is conserved. ... Consequently, alpha particles appear frequently on the right hand side of nuclear reactions. ...
- http://en.wikipedia.org/wiki/N
uclear_reaction
- 2.nuclear reaction: Definition from Answers.com
- nuclear reaction n. A reaction, as in fission, fusion, or radioactive decay, that alters the energy, composition, or structure of an atomic
- http://www.answers.com/topic/n
uclear-reaction
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nuclear reaction?
is there any nuclear reaction
through which you can get an
electron or a positron from
protons, neutrons or other
subatomic particles?
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Many of them. The simplest is to get some neutrons isolated outside an atom. They decay to a proton and an electron, half life is about 15 minutes. |
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What is the kind of nuclear What is the kind of nuclear
reaction called where you end
up with a different isotope of
the same element?
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it is only when you bombard the nucleus of an atom with a neutron that leads to a change in mass number which brings about isotopy. so, you can call it neutron bombardment. |
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What is the primary nuclear I know that stars on the main
sequence of the HR Diagram,
like our Sun, are powered by a
fusion of hydrogen into
helium.. but what does is the
PRIMARY nuclear reaction?
not sure what that means.
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ok...in stars there are two main types of fusion reactions. 1) proton-proton chain reaction (occurs in stars like or less massive than the sun) 2) the CNO cycle (dominates in stars heavier than the sun) they are both ways for making helium through nuclear fusion short and sweet version, in proton-proton - you get hydrogen(1proton) --> deutirium(1proton + 1neutron) -> Helium 3 (2protons + 1neutron) --> Helium 4(2protons + 2neutrons) + 2 Hydrogens (1 proton each) in CNO - Carbon12 + 1 Hydrogen -> nitrogen13 -> carbon13 + 1 Hydrogen -> nitrogen14 + 1 Hydrogen -> Oxygen15 -> Nitrogen15 + 1 Hydrogen -> Carbon12 + Helium4 note (Carbon contains 6 protons, Nitrogen contains 7 protons and Oxygen contains 8 protons, only thing changing is the number of neutrons the release of positrons and neutrinos) |
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