Question

Radioactive disintegration differs from a chemical change in being :

• A. an exothermic change
• B. a spontaneous process
• C. a nuclear process
• D. a unimolecular first-order reaction

Answer 1

Answer: (C)

a nuclear process

Radioactive decay is the loss of elementary particles from an unstable nucleus, ultimately changing the unstable element into another more stable element. There are five types of radioactive decay: alpha emission, beta emission, positron emission, electron capture, and gamma emission.