Radioactivity Is

question 15

Multiple Choice

Radioactivity is:

• A) The emission and propagation of energy through space or a substance in the form of waves.
• B) The emission and propagation of energy through space or a substance in the form of particles.
• C) The process by which certain unstable atoms or elements undergo spontaneous disintegration, or decay, in an effort to attain a more balanced nuclear state.
• D) The process by which certain unstable atoms or elements undergo spontaneous disintegration, or decay, in an effort to attain a less balanced nuclear state.