Question

1] What is an alpha particle?

a) 2 charged particles and 2 neutral particles
b) 2 charged particles and 4 neutral particles
c) 4 charged particles and 2 neutral particles.
d) 4 charged particles and 4 neutral particles.​

Answer 1

An alpha particle is a helium nucleus emitted by some radioactive substances, originally regarded as a ray

Answer 2

I am pretty sure it is A. I learned about this is biology 2 years ago.