How does the release of an alpha particle affect a mass number? Atomic number?

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asked Jun 21, 2019 169k views

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Simmy · Answer 1 · 2019-06-27T22:00:58+0000

When an alpha particle is emitted from a nucleus the nucleus loses two protons and two neutrons. This means the atomic mass number decreases by 4 and the atomic number decreases by 2. A new element is formed that is two places lower in the Periodic Table than the original element.

How does the release of an alpha particle affect a mass number? Atomic number?

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