Alphabetical
radioactivity
[noun]
The spontaneous emission of radiation, due to a nuclear reaction or direct emission from an unstable atomic nucleus. Radioactivity takes several different forms, including the emission of alpha particles, electrons, or gamma rays.
Appears in modules:
- Atomic Theory II Ions, neutrons, isotopes and quantum theory
- Cell Division I The cell cycle
- DNA I The genetic material
- DNA III The replication of DNA
- Identifying Minerals Characterizing minerals' physical properties
- Nuclear Chemistry Radiation, half-life, and nuclear reactions
- Nuclear Chemistry I Radiation, half-life, and nuclear reactions
- The Piltdown Hoax A lesson on confirmation bias in science
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