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A Uranium or Plutonium nucleus fissions (whether in bomb or reactor) by capturing a neutron and entering an unstable excited state. This excited state releases its excess energy a couple nanoseconds later by splitting into two pieces, one about 1/3 and the other about 2/3 the mass of the original nucleus, and 2 or 3 neutrons.

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Q: How nucleas of nuclear weapon fission?
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What is a nuclear weapon in wich enormous energy is released by nuclear fission?

This nuclear weapon is called an atomic bomb or a nuclear bomb


What are the two basic types of nuclear weapon?

Fission and fusion. All fusion boms are trigered by a fission weapon.


What is an atomic weapon?

An atomic weapon is an alternative name for a nuclear weapon, a weapon which derives its energy from the nuclear reactions of either fusion or fission.


What is an atom fission machine called?

An atomic fission machine (device) might be called a nuclear reactor or a nuclear weapon.


What is a nuclear weapon in which enormous energy is released by nuclear fission?

A nuclear bomb or atomic bomb


How has nuclear fission advanced science?

Nuclear fission has advanced science in that it has led to the development of the most powerful weapon ever created, the atomic bomb. Also, nuclear fission is used in nuclear power plants to evaporate water to move turbines.


What is the use of plutonium in a nuclear bomb?

Plutonium is the core of a nuclear weapon; the nuclear fission release an enormous quantity of energy and radiations.


Which one of these two process is still used today Nuclear Fission or Fusion?

Fission. Fusion has never been used on Earth, except for nuclear weapon tests.


What element is needed to make a nuclear weapon?

Uranium makes for an excellent element for nuclear fission. Hydrogen is most commonly used for nuclear fusion.


What is induced nuclear fission?

We might think of induced nuclear fission as a fission reaction that occurs when a neutron is captured by, say, a uranium-235 atom and that atomic nucleus undergoes fission as a result. Most all of the fission events within a nuclear reactor or nuclear weapon are induced. Given this, we might then compare that fission event to a spontaneous fission event wherein the atomic nucleus of a uranium-235 atom spontaneously undergoes fission without having captured a neutron.


Why is an atomic bomb sometimes called a fisson bomb?

The term atomic bomb is a general one. It refers to any kind of nuclear weapon. But there are basically a couple of different types of nuclear weapon: the fission weapon, and the fusion weapon. (We can split hairs and add some, but let's not.) In a "regular" atomic or nuclear weapon, a fission weapon, subcritical masses of fissile material, usually plutonium, are driven together by conventional explosives and the thing goes off. Boom! There is fission, but no fusion. That differentiates this type of weapon from a fusion device. The term fusion deviceis used to talk about what used to be called the hydrogen bomb. The fusion weapon must have a fission device to create the heat necessary for fusion to occur, and it uses the fission bomb to "trigger" fusion in that light. If someone uses the term "fission bomb" in a presentation, they are not talking about the so-called hydrogen bomb or any fusion weapon - if they are using the term correctly.


Where do you get nuclear fission?

You get nuclear fission in:nuclear fission reactorsatomic fission bombs