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It means the nucleus will fission or split into two halves (or near halves). Most frequent example is Uranium-235

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Why do nuclear reactors require a fissionable isotope?

The fissionable isotope is required for the nuclear reactor operation. The fissionable isotope when fissions it give energy due to the mass difference according to Einstein formula E = mc2


Is plutonium 239 fissionable?

Yes, this isotope is very fissionable and is used in nuclear reactors and nuclear weapons.


Isotope of uranium used in nuclear reactors?

Uranium 235 is the most important isotope of uranium; it is a fissionable isotope used in HWR, PWR, BWR, research reactors and other types of reactors. But it is rare, only 0.72% of natural Uranium is this isotope.The more plentiful Uranium 238 isotope is only fertile not fissionable; it can only be used in fast reactors to breed Plutonium, which is fissionable. Isotopes of plutonium 239Pu and 241Pu are highly fissionable and importants for nuclear fuels.


What fuel is used during nuclear fission?

Certain fissionable materials, usually a uranium or plutonium isotope.


What make Uranium fission?

Uranium (especialy the fissile isotope) 235U is fissionable by bombardments with thermal neutrons.


How to make nuclear bomb-?

To make a nuclear bomb, you need the fissionable material such as a Plutonium239 isotope, an explosive to start the nuclear chain reaction, a detonator, and a pusher.


Critical mass of this fissionable isotope can blast you to the outer limits of the solar system?

Uranium-235 is a fissionable isotope that can achieve critical mass under the right conditions, leading to a nuclear explosion. This explosion can release a massive amount of energy, potentially causing devastating destruction and radiation. The force generated by such an explosion could indeed be powerful enough to propel material to the outer limits of the solar system.


Which uranium is used for nuclear power production?

U-235 is the fissionable isotope that produces the power. Reactor fuel usually contains about 5% of this, the rest being U-238


What is the main use of isotopes of uranium?

235U is a fissionable isotope and 238U is a fertile isotope; these isotopes are extremely important in the production of nuclear energy. Also uranium is used by the United States, United Kingdom and Russia to threaten with nuclear bombs the other countries, without nuclear weapons.


What is the quantity of fissionable material called that CANNOT sustain a nuclear reaction?

Subcritical mass is the quantity of fissionable material that cannot sustain a nuclear reaction. When the amount of fissionable material is below the critical mass required to sustain a chain reaction, it is considered subcritical.


The core of a nuclear reactor includes?

Fissionable substances.


What does it mean when the isotope is fissile?

"Fissile" means "capable of undergoing fission."