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With nuclear fission, a large atomic nucleus (such as a uranium nucleus) breaks apart into smaller nuclei, and energy is released. With nuclear fusion, small atomic nuclei (such as hydrogen) join to become larger nuclei, and energy is released. Fusion of hydrogen releases much more energy than any other type of either fusion or fission. Note that the dividing line between heavy nuclei and light nuclei is the iron nucleus, which is at the perfect point of nuclear stability, so that neither fusion nor fission of iron nuclei would release any energy.

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Q: Compare and contrast fusion and fission?
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What is the antonym of nuclear fusion?

Nuclear fission.


What kind of nuclear reaction does an atomic bomb use?

Fission bombs use fission. Fusion bombs use fusion. Although atomic bomb is usually used for fission bombs, it technically applies equally to either.


How can you destroy xenon?

You could try nuclear fusion or fission.


What fuels are used for nuclear weapons?

Uranium mainlyPlutonium and Uranium in fission weapons, Lithium deuteride in fusion weapons, occasionally small amounts of Tritium gas to boost fission weapons with fusion.


What is nuclear energy made from?

In general, nuclear energy comes from the energy associated with atomic nuclei. There is nuclear fusion, which happens in stars and in fusion weapons, and there is nuclear fission. Nuclear fusion is the "combining" of lighter atomic nuclei to create heavier ones, and many fusion reactions release energy. (Again, think of stars.) In contrast, nuclear fission is the "splitting" of atomic nuclei to release energy. The latter is technology that we've come to use fairly widely, and we have developed fission nuclear weapons and the nuclear reactor to tap nuclear energy via fission. Let's look at the latter device, the reactor. The fission of nuclear fuel (also known as atomic fuel, such as uranium or plutonium) is where we get nuclear energy. And what happens during nuclear fission is that the nuclei of fuel atoms absorb neutrons and fission (split), releasing lots of energy. In fission, that larger atomic nucleus breaks into a pair of smaller ones, and these fission fragments recoil with a lot of kinetic energy. The fuel traps the fission fragments, and the energy they came away with is converted into thermal energy in the fuel. We derive nuclear energy by tapping the energy of formation of atomic nuclei via fusion or fission. This is advanced technology that is less than a century old. We're still working to use it well and wisely.

Related questions

Compare and contrast nuclear fission and nuclear fu sion?

Fission is when two particles are split to make energy while fusion combines to particles. The result of fission is usually used up radioactive material while fusion results in helium. Fusion makes more energy than fission


Which best contrast nuclear fission and nuclear fusion?

splitting apart vs. joining together


Is it a fission or fusion reaction?

Fission and fusion are different nuclear reactions.


How does budding and fission contrast and compare?

Budding and fission are both ways of asexual reproduction. Budding starts with a tiny bump, as fission splits its cytoplasm and nucleus. Source- Discovery Works textbook


Is fission and fusion opposite?

No, fission and fusion are not opposites. Fission is defined as the act of splitting into parts and fusion is defined as a coalition of factions or the act of fusing.


How do the products of a fusion differ from the products of fission reaction?

Fusion is a process in which the nuclei of two atoms combine to form a larger nucleus, while fission during fusion a small fraction of the reactant mass is converted into energy. While not the only possible fusion reaction, the most commonly known is the fusion of hydrogen to create helium. The product is stable. In contrast, when fission of uranium or plutonium takes place, the resultant nuclei are neutron heavy and therefore will almost certainly be radioactive.


Is reaction on sun a fusion or fission?

fission..sup


Is atomic bomb fission or fusion?

Fission.


Which do you currently use nuclear fusion or fission?

Fission


How do the products of a fusion reaction different from the products of a fission reaction?

Fusion is a process in which the nuclei of two atoms combine to form a larger nucleus, while fission during fusion a small fraction of the reactant mass is converted into energy. While not the only possible fusion reaction, the most commonly known is the fusion of hydrogen to create helium. The product is stable. In contrast, when fission of uranium or plutonium takes place, the resultant nuclei are neutron heavy and therefore will almost certainly be radioactive.


How do products of a fusion reaction differ from the products of a fission reaction?

Fusion is a process in which the nuclei of two atoms combine to form a larger nucleus, while fission during fusion a small fraction of the reactant mass is converted into energy. While not the only possible fusion reaction, the most commonly known is the fusion of hydrogen to create helium. The product is stable. In contrast, when fission of uranium or plutonium takes place, the resultant nuclei are neutron heavy and therefore will almost certainly be radioactive.


Is energy released during fission but absorbed during fusion?

Energy is released during fusion and fission.