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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
When an unstable nucleus decays by emitting an alpha particle, the atomic mass number A of the nucleus
A) increases by 4.
B) increases by 2.
C) decreases by 2.
D) decreases by 4.
E) remains unchanged.
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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7 years ago
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Chery Author
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#2
7 years ago
I needed this so much, thanks
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