Question

Nuclear fission is best described as

Answer 1

basically all it is  a nucleus splitting into smaller fragments   and these fragments are almost equal to half of the original mass 

Answer 2

Step-by-step explanation:

Fission refers to splitting into parts.

When there is splitting of a heavy nucleus that leads to formation of two or more small nucleus along with release of energy is known as a nuclear fission reaction.

For example,
`^(235)_(92)U + ^(1)_(0)n \rightarrow ^(89)_(36)Kr + ^(144)_(56)Ba + 3^(1)_(0)n + 210 MeV`