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riadik2000 [5.3K]
2 years ago
14

When an atom undergoes alpha decay

Chemistry
1 answer:
jekas [21]2 years ago
7 0
Are you asking for a specific atom or just the general definition?

The general definition of alpha decay is the loss of two protons and two neutrons from a nucleus. (Also equal to a helium atom!) This decreases the total mass number by 4 and the atomic number by 2.
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