Find the number of electrons,protons,and neutrons possessed by the alpha particles $\left({ }_{2}^{4} He ^{2+}\right)$ used in the gold leaf experiment.

• A
  Electrons: $0$,Protons: $2$,Neutrons: $2$
• B
  Electrons: $2$,Protons: $2$,Neutrons: $2$
• C
  Electrons: $0$,Protons: $2$,Neutrons: $4$
• D
  Electrons: $2$,Protons: $2$,Neutrons: $4$