Which of the following statements about ‘fission’ is not correct?
1
It occurs when a neutron slams into a larger atom, forcing it to excite and spilt into two smaller atoms.
2
It is related to the creation of heavier nuclei by means of combining two higher nuclei.
3
Uranium and plutonium are most commonly used for fission reactions in nuclear power reactors
4
In the fission process, radioactive products are formed, and several neutrons are emitted.