Which change occurs when an atom undergoes alpha decay?

Physics

2 answers:

3241004551 [841]2 years ago

6 0

Answer:

its A on edge

Explanation:

did it now 2020

oee [108]2 years ago

3 0

In an alpha decay, an atom emits an alpha particle. An alpha particle consists of 2 protons and 2 neutrons: this means that during this kind of decay, the original atom loses 2 protons and 2 neutrons from its nucleus.

This also means that the atomic number Z of the element (the atomic number is the number of protons in the nucleus) decreases by 2 units in the process, while the mass number A (the mass number is the sum of the number of protons and neutrons) decreases by 4 units.

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