In 1920 the Rutherford has offered a structure of a neutron in the form of a proton and close located orbital electron. The neutron, as is known, has been discovered only in 1932, i.e. in 12 years. Such representation of a neutron predetermined also proton-electronic model of a nucleus of atom.

However then it was necessary to refuse model from the Rutherford, since it contradicted established facts: