Unstable atomic nuclei can decay, or split up, by giving out nuclear radiation. What is commonly...
Unstable atomic nuclei can decay, or split up, by giving out nuclear radiation. What is commonly formed during this process occurs? (Answer in three sentences)
Homework Answers
Unstable nucleus undergoes radioactive decay by emitting
radiation to form stable nucleus .it is mainly of 3 kind
1. Alpha emission .This involves decay along with emission
of Hellium nucleus
[238.U.92 ] ----------> [ 234.Th.90 ]+ [4.He.2]
This is Uranium Nucleus -238 is mass number and 92 its
atomic
number.----> produces Thorium Nucleus with mass number 234
and atomic number 90 along with He nucleus }
Beta decay . Unstable nucleus decays by emitting positron
or
an electron.{called beta plus or beta minus decay] and forms a
stable
nucleus
[32.P.15] -----> [32.S.16] + e(-)
Here P-15 produces S-16
Gamma decay-Nucleus at higher energy level is unstable hence
it emits gamma rays to form stable lower energy nucleus
Thank you
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