B2 Ch 3 Lesson 5 Word Scramble
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Term | Definition |
Radioactive Decay | The process in which radioactive elements break down, releasing fast-moving particles and energy. |
Nuclear Reaction | A reaction involving the particles in the nucleus of an atom that can change one element into another element. |
Radioactivity | The spontaneous emission of radiation by an unstable atomic nucleus. |
Alpha Particle | A particle given off during radioactive decay that consists of two protons and two neutrons. |
Beta Particle | A fast-moving electron that is given off as nuclear radiation. |
Gamma Ray | Electromagnetic waves with the shortest wavelengths and highest frequencies. |
Half-life | The time it takes for half of the atoms of a radioactive element to decay. |
Radioactive Dating | The process of determining the age of an object using the half-life of one or more radioactive isotopes. |
Tracer | A radioactive isotope that can be followed through the steps of a chemical reaction or industrial process. |
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Juchrin
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