The emitted electron or positron is known as a beta particle. An example of
positron emission (β<sup>+</sup> decay) is the decay of magnesium-23 into sodium-23: 23
Writing Alpha and Beta Decay Equations. Return to ... Check it and compare the
three points to the example. ... Here is an example of a beta decay equation:.
There are three different modes of beta decay: ... If <sup>40</sup>K is a /i><sup>-</sup>-emitter, for
example, the product of this reaction must be <sup>40</sup>Ca.
Cobalt-60. The cobalt-60 isotope undergoes beta decay with a half-life of 5.24
years. This particular radioisotope is historically important for several reasons.
Nuclear reactions need to have the sum of protons and neutrons the same on both sides of the equation. β- decay
occurs when a neutron converts into a proton and ejects an energetic electron called the beta
particle. This means the the number of neutrons, N, is reduced... More »
Beta particles are electrons or positrons (electrons with positive electric charge,
or antielectrons). Beta decay occurs when, in a nucleus with too many protons or
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Aug 23, 2012 ... This short video walks you through how to write an beta decay expression. ... The
examples I use are I-131, iodine 131,Th-234, thorium 234, ...
Example 1: The iridium-168 isotope is known to go through alpha decays. Write
out a .... Example 3: Write out the beta negative decay reaction for calcium-46.
For example, radon decays into polonium when it emits an alpha particle. Here is
the ... In beta decay, a neutron changes into a proton plus an electron.
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Dec 24, 2011 ... To see all my Chemistry videos, check out http://socratic.org/chemistry
Sometimes known as Beta minus decay or Beta emission, this process is ...