beta decay
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Last updated 5:50 PM on 5/13/24
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7 Terms
1
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what happens during beta decay?
a neutron changed into a proton and an electron
electron emitted and proton remains in nuclei
2
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why is a new element formed?
because atomic number changes
3
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where does beta decay often happen and why?
in unstable nuclei that have too many neutrons
4
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a beta particle is a ___-____ electron
high-speed
5
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what is a beta particle‘s mass number
0
the electron has an insignificant mass compared with neutrons and protons
6
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the mass number of decaying nuclei….
remains the same
7
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what is an electron‘s atomic number?
-1
so the new nuclei will increase its atomic number by 1 to maintain overall atomic number before & after the decay
Note 
Flashcards (39)