Question

When a helium atom is stripped of its two electrons, what's left are two protons and two neutrons. This "electron-less" atom is sometimes called a(n)

a. quark.
b. beta particle.
c. alpha particle.
d. helium isotope.

Answer 1

alpha particle. You will see these in nuclear chemistry due to the fact that this is one of the type of radio active decay.

I hope this helps.