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Marissa Russo

Chapter 10.1 Vocabulary

Radioactivity the process in which an unstable atomic nucleus emits charged particles and energy.
Radioisotopes an isotope with an unstable nucleus.
Nuclear Radiation charged particles and electron magnetic waves that are emitted from the nuclei of radioisotopes.
Alpha Particle a positively charged particle emitted by certain radioactive nuclei, made up of two protons and two neutrons, a helium nucleus.
Beta Particle an electron emitted by an unstable nucleus.
Gamma Ray a penetrating form of radiation emitted by an unstable nucleus.
Background Radiation nuclear radiation that occurs naturally in the environment.
Created by: marissa.russo
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