What is an alpha particle ?..

Question

a)A helium nucleus

b)A hydrogen atom 

c)An electron

d)A proton

 

Thank you for ur time!! 

Answer 1

An alpha particle is essentially a helium nucleus (choice a). They are composed of 2 protons and 2 neutrons, which is the helium nucleus.  Since it has no electrons, it carries a 2+ charge.