What is an alpha particle made up of?

1 Answer
Douglas K.
Jan 8, 2017

An #alpha# particle is 2 protons and 2 neutrons bound together like they are within the nucleus of a Helium atom; it is so like a Helium nucleus that it is often written as #"_2^4He^(2+)#

Explanation:

Here is a reference regarding the Alpha Particle and its properties.

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