Why aren't the daughter isotopes of alpha decay charged?

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SUMMARY

The discussion centers on the charge neutrality of daughter isotopes formed during alpha decay, specifically focusing on Uranium and Thorium isotopes. When Uranium undergoes alpha decay, it produces Thorium, which initially has a 2+ charge due to the loss of two electrons. However, the emitted alpha particle quickly captures two electrons from its surroundings, resulting in a neutral Helium atom. Thus, the overall charge balance remains neutral, with the Uranium losing two electrons and the alpha particle gaining two.

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For example, when a radioactive isotope of Uranium undergoes alpha decay, a radioactive isotope of Thorium is formed. Why isn't this daughter isotope charged?
 
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In principle it is charged, but a couple of extra electrons come and go very easily, especially in a metal.

As soon as the 2+ alpha particle slows down it will pick up 2 electrons and become a normal neutral Helium atom.

So the overall charge balance is neutral. The U come Th looses 2 electrons, and the alpha picks up two.
 

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