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26-11-2021
Biology

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What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle?

Respuesta :

26-11-2021

Answer:

Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.

Explanation:

Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.

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