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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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tankster tankster
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7 years ago
When an unstable nucleus decays by emitting an alpha particle, the atomic mass number of the nucleus
A) increases by 4.
B) increases by 2.
C) decreases by 2.
D) decreases by 4.
E) remains unchanged.
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Physics

Physics


Edition: 4th
Author:
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Raj.SRaj.S
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7 years ago
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