Thorium: 90 protons
Uranium: 92 protons
2 less.
Uranium has 92 protons, thorium as 90
In Middlesex (USA) was an uranium, thorium and beryllium facility, not mines.Today the activity ceased.
Radon is a natural chemical element; it can be found inthe radioactive decay series of uranium, thorium.
Francium exist in infinitesimal concentrations in uranium and thorium ores.
Uranium-235, found in natural Uranium at a level of 0.72%Uranium-233, produced in breeder reactors from Thorium-232
Uranium atoms have 92 protons, which is the highest number found naturally.
Radon exist in rocks containing uranium or thorium.
No it is not found . Monazite sand usually contains thorium.
In Middlesex (USA) was an uranium, thorium and beryllium facility, not mines.Today the activity ceased.
Francium exist in uranium and thorium ores but it is not exploitable.
Actinium is found in uranium and thorium ores.
Natural polonium exist in uranium and thorium ores.
Radon is a natural chemical element; it can be found inthe radioactive decay series of uranium, thorium.
Polonium exist in traces in uranium and thorium ores.
Actinium exist in minute traces in uranium and thorium ores.
Francium exist in infinitesimal concentrations in uranium and thorium ores.
Uranium 238 has 92 protons and 146 neutrons.
Mostly Uranium and sometimes thorium also. Uranium is obtained from Australia, France, Russia etc and thorium is found in India along with other Asian countries.