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ScienceAtomTheoryCo2

QuestionAnswer
What is radioactive decay? Process in which the atomic nuclei of unstable isotopes release fast-moving particles + energy
What French scientist discovered radioactive decay in 1896? How was it discovered? Henri Becquerel; discovered by accident while studying a mineral containing uranium
What is radioactivity? Spontaneous emission of radiation by an unstable atomic nucleus
What types of particles + energy can radioactive decay produce? Forms of nuclear radiation: alpha particles, beta particles, + gamma rays
What is an alpha particle? particle consists of 2 protons + 2 neutrons + is positively charged
What is a beta particle? fast-moving electron given off by a nucleus during radioactive decay
What is gamma radiation? high-energy waves that can pass through human body, causing severe cell damage
In what ways are radioactive isotopes useful? useful as tracers in tracing the steps of chemical reactions + industrial processes, + diagnosing/treating disease
What are tracers? Radioactive isotopes that can be followed through the steps of a chemical reaction or industrial process
Created by: Mindsweeper
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