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the minimal chance that newly formed neutrons of a fission reaction are absorbed by more atoms. (apex)

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Edwin Mitchell

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Bearz For Lif3

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yes

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Q: Neutron moderation is used to counteract what?
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What defines the process in a nuclear reactor that reduces the speed of neutrons so they can be captured by the reactor fuel in order to continue the chain reaction?

You did not provide the list of "the following". However, the answer to the question is moderation. Moderation is the process whereby the neutron is slowed down in order to facilitate its subsequent capture by the nuclei of the fuel.


What is a neutron trigger used for?

Atomic nuclear fission.


Why neutron is call neutron?

The neutron is called the neutron because it it electrically neutral, hence the neu- prefix


Is used in nuclear fission?

all you need in nuclear fission is a large element (235Uranium) and a neutron, the neutron goes into the Uranium causeing it to split into smaller parts grapes.


Neutron activation is done most easily at a nuclear reactor facility. Why can't a lamp or an X-ray tube be used to add neutrons to an object's nuclei?

A lamp or an X-ray tube cannot be used to "add neutrons" to other nuclei because lamps and X-ray tubes are not neutron sources. Neutron activation is generally something we do in an operating nuclear reactor. In the core of the reactor, there is a high neutron flux. Many, many neutrons are being released in the fissions that are going on in the nuclear core. Materials that are to be activated are lowered through ports and brought down into the neutron flux. Activation occurs. Lamps or X-rays do not produce neutrons, and cannot be used in neutron activation activities. No neutrons means no neutron activation.