Answer:
Delta
Step-by-step explanation:
Delta is a not a type of nuclear decay. Most times, the delta sign is used to denote a change between the initial and final states of a reaction.
There are three main types of nuclear decay which are:
- Alpha decay
- Beta decay
- Gamma decay
- Alpha decay results in the formation of alpha particles.
- Beta decay produces electron like particles.
- Gamma decay produces gamma radiations.