Which of the following is the best definition of radioactive decay?A.Radioactive decay is the splitting of a nucleus to produce huge amounts of energy.B.Radioactive decay is the release of energy resulting from a chemical reaction.C.Radioactive decay is the loss of mass that occurs when an atom is formed.D.Radioactive decay is the spontaneous breakdown of a nucleus into smaller parts.

What happens during radioactive decay?A.An unstable nucleus loses particles until it becomes stable.B.An unstable nucleus absorbs radiation to make it stable.C.An unstable nucleus gains mass until it becomes stable.D.An unstable nucleus gains neutrons to make it stable.

What does radioactive mean?A.Generating positively or negatively charged ionsB.Having electron transitions at radio-wave frequenciesC.Emitting radiation as a result of unstable nucleiD.Absorbing high-energy electromagnetic radiation

Briefly name and describe the three main types of radioactive decay.

What is primarily released in radioactive decay?A.Radio frequency wavesB.Photons in the visible rangeC.Particles or electromagnetic wavesD.Nuclear quarks and gluonsSUBMITarrow_backPREVIOUS

What characterizes a radioactive atom?A.Its nucleus is unstable.B.Its electrons gain energy.C.Its protons repel the neutrons.D.Its nucleus has too few quarks.SUBMITarrow_backPREVIOUS