What is an alpha particle made up of?

1 Answer
Jan 8, 2017

Answer:

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.