Rutherford demonstrated the existence of a particle that has a much larger mass than the electron and has a charge equal in magnitude to an electro...

Rutherford demonstrated the existence of a particle that has a much larger mass than the electron and has a charge equal in magnitude to an electron, but of opposite sign, that is, positive instead of negative. In this case, the element proposed by Rutherford is a:


a) Mesos
b) Próton
c) Correto
d) Nêutron
e) Neutrino