In the process of nuclear fission, only happens to very atoms. the fission process usually also produces several free 1 .one atom splits into two, two atoms combine into one 2.large, small 3.electrons, hydrogen atoms, neutrons

1. One atom splits

2. large

3. neutrons

Explanation:

In the process of nuclear fission,1__one atom splits___.Fission only happens to very 2(__large___) atoms.The Fission process usually also produces several free 3(__neutrons___).

Nuclear fission is a radioactive decay process in which heavy and unstable radioactive nucleus decays into lighter ones with the release of energy and free neutrons.

Fission differs from fusion in that in nuclear fusion, two light atoms comes together to form a large one. This process releases a very great amount of energy.

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