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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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What happens to the mass number of a nucleus that emits an alpha particle?
A) It remains the same.
B) It decreases by two.
C) It decreases by four.
D) It increases by two.
E) It increases by four.

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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mel!811mel!811
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