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What does an alpha particle consist of?
A. 1 proton and 1 neutron
B. 1 proton and 2 neutrons
C. 2 proton and 2 neutrons
D. 2 proton and 4 neutrons

Respuesta :

olemakpadu
An alpha particle is like a Helium atom. And Helium has an atomic number of 2 and mass number or 4.

Mass Number =4,
Atomic Number = 2, for a Neutral Atom, Atomic Number = Number of Proton = 2

Mass Number = Proton + Neutron.

4 = 2 + Neutron

Neutron = 4 -2 = 2

Hence alpha particle has 2 Protons and 2 Neutrons. Option C.

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