AS storylines

Nuclear reactions

A chemical reaction involves the rearrangement of an atom's outer electrons, while a nuclear reaction involves a change in its nucleus.

In a nuclear reaction one element can change into another element something that is impossible in a chemical reaction.

Fusion: when lighter nuclei are fused together to form heavier nuclei. The nuclei need to approach each other at high speed, with a large kinetic energy, to overcome the repulsion between…