Answer:
Radioisotope -> An atom with an unstable nucleus
Radioactivity -> The spontaneous discharge of energy from an unstable nucleus
Radioactive Decay -> The process by which the nucleus of an unstable isotope changes
Strong Nuclear Force -> Binds protons and neutrons together in the nucleus
The answer is hook! I know this because I love English. The hook is the first sentence of an essay. It makes the readers want to read it. Hope this helped. Have a great day!
Driving laws offer protection to anyone on the road, to maintain everyone safe