Nuclear Physics Concepts

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Radioisotope dating

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A technique used to date materials such as rocks or carbon.

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Geiger Counter

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Instrument for detecting and measuring ionizing radiation.

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Alpha Particle

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Consists of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.

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Nuclear Decay

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The process by which an unstable atomic nucleus loses energy by radiation.

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Strong Force

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A force that holds the nucleus together in an atom.

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Isotope

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A variation of an element that possesses the same atomic number but a different mass number.

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Tracers

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Very small amounts of a radioactive substance used for health research, diagnosis, and treatment of various conditions, including cancer.

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Nuclear Reactions

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Change in the identity or characteristics of an atomic nucleus, caused by bombarding it with an energetic particle.

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Radiotherapy

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Treatment involving the use of high-energy radiation; commonly used to treat cancer.

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Gamma Decay

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A type of radioactive decay that occurs when an unstable atomic nucleus releases excess energy in the form of gamma rays.