Natural plutonium exist in uranium ores in extremely traces - parts per trillion or less.
Plutonium has no natural isotopes. All plutonium isotopes are artificially produced through nuclear reactions.
A fresh surface of plutonium is silvery, metallic.
Plutonium is an artificial element; natural plutonium exist only in extremely traces.
Natural isotopes of plutonium exist only in traces in uranium ores.
Plutonium is an artificial element; traces (extremely low) of plutonium isotopes of natural origin exist in uranium ores. Plutonium is used in nuclear weapons and nuclear fuels.
isotope
Plutonium occur in deposits of uranium ores but only in ultratraces. In the nature plutonium appear as a result of spontaneous natural fission of uranium isotopes a process with a very low cross section.
No, plutonium occurs only in trace amounts in nature, and it's too reactive to occur as a pure metal.
At room temperature plutonium is a solid metal.
plutonium can only form from uranium in a nuclear reactor. since the last natural reactors on earth shut down about 3 billion years ago (oklo) it can't happen naturally now.
Plutonium is an artificial chemical element, obtained by nuclear reactions and separated by reprocessing of burned nuclear fuel - as a byproduct plutonium is not so rare. Plutonium is found in the nature with some uranium ores, but only in ultratraces.
The atomic mass of the most common isotope of plutonium (Pu-234) is higher than the masses of the uranium natural isotopes.