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Only a trace of plutonium is naturally found in the earth's crust. And it is always found with uranium because it is made by uranium's spontaneous fission, neutron release, and the subsequent neutron capture by another uranium nucleus to form the plutonium atom. Plutonium is not formed by the death of a star in a super nova like uranium is. Uranium is the heaviest element formed in that event. That's why there isn't any plutonium around as an ore. Just the trace amounts found with uranium. We're lucky there isn't a lot of plutonium around. It is highly toxic owing to its hightly radioactive nature. A link is provided to the Wikipedia article on plutonium.
Nuclear fission is a type of nuclear reaction: the nucleus of an atom is broken in two parts (and many other fragments).Plutonium wastes are wastes containing plutonium.
Plutonium is a fissile isotope of plutonium; by fission Pu-241 release energy in nuclear reactors.
Some important fission products of plutonium 239 are: Mo-94, Sr-9o, Zr-95, Nb-95, Mo-99, Ru-103, Tc-99, Ru-106, Rh-100, I-133, Xe-133, Cs-137, Ba-140, La-140, Ce-144, Pr-144 etc.
uranium and plutonium
In a fission reactor, it originates from the fission of uranium 235 or plutonium 239
We can use plutonium in nuclear fission devices.
Absolutely, in a fission bomb the fission products are far more radioactive than the original Uranium and/or Plutonium was. Also in either fission or fusion bombs neutron activation converts stable isotopes to radioactive ones.
Fission products, that is lighter elements than the uranium or plutonium fuel, free neutrons, and gamma radiation. The net energy effect is a release of 200 Mev per fission.(Approx 3.2 x 10-11 Joules)
Uranium is especially a byproduct of phosphate industry; but also a byproduct of gold, vanadium, shales mining.
See the link below for the fission products; the elements (isotopes) not listed are not fission products.
if the fission was of uranium, then yes. but many transuranic elements (e.g. plutonium, americium) also fission.