Which of the following is the best definition of nuclear fission? O A. Nuclear fission is the joining of two or more nuclei into one
nucleus.
B. Nuclear fission is the formation of new isotopes through a gain of
electrons.
C. Nuclear fission is the splitting of a nucleus into two or more
nuclei.
O D. Nuclear fission is an exothermic reaction between two stable
nuclei.

C

Explanation:

Nuclear fission is a process where the nucleus of an atom is split into two or more smaller nuclei, known as fission products.

Which of the following is the best definition of nuclear infission? Nuclear fission is the splitting of a nucleus into two or more nuclei.

Explanation:

So answer option C is correct. Have a wonderful summer.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.