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U238 + n --> U239 : capture, crosssection 2.73 barnsU239 --> Np239 + e- : beta decay, half-life 23.5 min.Np239 --> Pu239 + e- : beta decay, half-life 2.33 days
"Beta decay" is used for two different processes. However, the kind undergone by 234Th produces 234Pa.
The equation for the beta decay of 24Na is: 1124Na --> 1224Mg + -10e where the e is a negative beta particle or electron.
This is beta decay, specifically beta plus decay. The beta particle that appears is the positron, which is the antimatter particle of the electron. Links can be found below for more information.
nitrogen-14 is stable, it does not decay.
Radon-198 does not decay via beta decay. It is thought to decay by alpha decay, but that is not certain. The equation would be ... 86198Rn -> (Alpha, T1/2 = 86 ms) -> 84194Po + 24He2+
In beta decay equations, e- refers to an electron (in beta-), and e+ refers to a positron (in beta+).Not asked, but answered for completeness, ve refers to the electron neutrino that accompanies the positron, and v-e refers to the electron antineutrino that accompanies the electron.
There are three beta decay modes for 40K, and so three equations. The equation for the negative beta decay of 40K: 1940K --> 2040Ca + -10e where the -10e represents a beta particle or electron. The equation for the positive beta decay of 40K: 1940K --> 1840Ar+ 10e where the 10e represents a positive beta particle or positron. The equation for the decay of 40K by electron capture is:1940K + -10e --> 1840Ar + ve
The equation for the beta decay of 99Mb: 4299Mb --> 4399mTc + -10e --> 4399Tc where e represents an electron.
The equation for the beta decay of 137Cs is: 55137Cs --> 56137Ba + -10e where the -10e is a negative beta particle or electron.
There are three beta decay modes for 40K, and so three equations. The equation for the negative beta decay of 40K: 1940K --> 2040Ca + -10e where the -10e represents a beta particle or electron. The equation for the positive beta decay of 40K: 1940K --> 1840Ar+ 10e where the 10e represents a positive beta particle or positron. The equation for the decay of 40K by electron capture is:1940K + -10e --> 1840Ar + ve
There are two types of beta decay, and they are beta plus (beta +) decay and beta minus (beta -) decay. A post already exists on beta decay, and a link to that related question can be found below.
There are two ways 174Ir can decay, alpha and positive beta, so there are two different equations. The equation for the alpha decay of 174Ir is: 77174Ir --> 75170Re + 24He representing the alpha particle as a helium nucleus. The equation for the beta+ decay of 174Ir is: 77174Ir --> 76174Os + 10e + ve wher 10e represents a positive beta particle or positron.
Radium-226 does not decay by beta decay. It decays by alpha decay to radon-222.
gamma decay beta decay alpha decay
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