👉 Pseudoisotropy is a concept in physics that describes how certain isotopes behave differently when compared to other isotopes of the same element. This phenomenon can be due to differences in their atomic number or their relative abundance, which may lead to different radii and masses for the isotopes. For example, in the decay process of an alpha particle (proton) to a neutron, the alpha particles have a higher mass than the neutrons because they have a higher atomic number (2