Question

explain why, in a nuclear reactor, the chain reaction stops if the control rods are Fully inserted into the graphite​

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Answer 1

Answer:

The rods contain neutron absorbing atoms such as gadolinium or cadmium. By absorbing neutrons within the core, it prevents those neutrons from reacting with the fuel. Control rod movement can be used to adjust the number of reactions occurring at the core, or fully inserted to shut down the reactor completely